398425440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:202

約数の個数: 288

約数和(自身を含む): 1529176320

約数和(自身を除く): 1130750880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 79, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 158, 160, 168, 190, 210, 224, 228, 237, 240, 266, 280, 285, 304, 316, 336, 380, 395, 399, 420, 456, 474, 480, 532, 553, 560, 570, 608, 632, 665, 672, 760, 790, 798, 840, 912, 948, 1064, 1106, 1120, 1140, 1185, 1264, 1330, 1501, 1520, 1580, 1596, 1659, 1680, 1824, 1896, 1995, 2128, 2212, 2280, 2370, 2528, 2660, 2765, 3002, 3040, 3160, 3192, 3318, 3360, 3792, 3990, 4256, 4424, 4503, 4560, 4740, 5320, 5530, 6004, 6241, 6320, 6384, 6636, 7505, 7584, 7980, 8295, 8848, 9006, 9120, 9480, 10507, 10640, 11060, 12008, 12482, 12640, 12768, 13272, 15010, 15960, 16590, 17696, 18012, 18723, 18960, 21014, 21280, 22120, 22515, 24016, 24964, 26544, 30020, 31205, 31521, 31920, 33180, 36024, 37446, 37920, 42028, 43687, 44240, 45030, 48032, 49928, 52535, 53088, 60040, 62410, 63042, 63840, 66360, 72048, 74892, 84056, 87374, 88480, 90060, 93615, 99856, 105070, 118579, 120080, 124820, 126084, 131061, 132720, 144096, 149784, 157605, 168112, 174748, 180120, 187230, 199712, 210140, 218435, 237158, 240160, 249640, 252168, 262122, 265440, 299568, 315210, 336224, 349496, 355737, 360240, 374460, 420280, 436870, 474316, 499280, 504336, 524244, 592895, 599136, 630420, 655305, 698992, 711474, 720480, 748920, 830053, 840560, 873740, 948632, 998560, 1008672, 1048488, 1185790, 1260840, 1310610, 1397984, 1422948, 1497840, 1660106, 1681120, 1747480, 1778685, 1897264, 2096976, 2371580, 2490159, 2521680, 2621220, 2845896, 2995680, 3320212, 3494960, 3557370, 3794528, 4150265, 4193952, 4743160, 4980318, 5043360, 5242440, 5691792, 6640424, 6989920, 7114740, 8300530, 9486320, 9960636, 10484880, 11383584, 12450795, 13280848, 14229480, 16601060, 18972640, 19921272, 20969760, 24901590, 26561696, 28458960, 33202120, 39842544, 49803180, 56917920, 66404240, 79685088, 99606360, 132808480, 199212720, 398425440]

約数ペア:

[(1, 398425440), (2, 199212720), (3, 132808480), (4, 99606360), (5, 79685088), (6, 66404240), (7, 56917920), (8, 49803180), (10, 39842544), (12, 33202120), (14, 28458960), (15, 26561696), (16, 24901590), (19, 20969760), (20, 19921272), (21, 18972640), (24, 16601060), (28, 14229480), (30, 13280848), (32, 12450795), (35, 11383584), (38, 10484880), (40, 9960636), (42, 9486320), (48, 8300530), (56, 7114740), (57, 6989920), (60, 6640424), (70, 5691792), (76, 5242440), (79, 5043360), (80, 4980318), (84, 4743160), (95, 4193952), (96, 4150265), (105, 3794528), (112, 3557370), (114, 3494960), (120, 3320212), (133, 2995680), (140, 2845896), (152, 2621220), (158, 2521680), (160, 2490159), (168, 2371580), (190, 2096976), (210, 1897264), (224, 1778685), (228, 1747480), (237, 1681120), (240, 1660106), (266, 1497840), (280, 1422948), (285, 1397984), (304, 1310610), (316, 1260840), (336, 1185790), (380, 1048488), (395, 1008672), (399, 998560), (420, 948632), (456, 873740), (474, 840560), (480, 830053), (532, 748920), (553, 720480), (560, 711474), (570, 698992), (608, 655305), (632, 630420), (665, 599136), (672, 592895), (760, 524244), (790, 504336), (798, 499280), (840, 474316), (912, 436870), (948, 420280), (1064, 374460), (1106, 360240), (1120, 355737), (1140, 349496), (1185, 336224), (1264, 315210), (1330, 299568), (1501, 265440), (1520, 262122), (1580, 252168), (1596, 249640), (1659, 240160), (1680, 237158), (1824, 218435), (1896, 210140), (1995, 199712), (2128, 187230), (2212, 180120), (2280, 174748), (2370, 168112), (2528, 157605), (2660, 149784), (2765, 144096), (3002, 132720), (3040, 131061), (3160, 126084), (3192, 124820), (3318, 120080), (3360, 118579), (3792, 105070), (3990, 99856), (4256, 93615), (4424, 90060), (4503, 88480), (4560, 87374), (4740, 84056), (5320, 74892), (5530, 72048), (6004, 66360), (6241, 63840), (6320, 63042), (6384, 62410), (6636, 60040), (7505, 53088), (7584, 52535), (7980, 49928), (8295, 48032), (8848, 45030), (9006, 44240), (9120, 43687), (9480, 42028), (10507, 37920), (10640, 37446), (11060, 36024), (12008, 33180), (12482, 31920), (12640, 31521), (12768, 31205), (13272, 30020), (15010, 26544), (15960, 24964), (16590, 24016), (17696, 22515), (18012, 22120), (18723, 21280), (18960, 21014)]