490400400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:846

約数の個数: 240

約数和(自身を含む): 1820518400

約数和(自身を除く): 1330118000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 79, 80, 84, 100, 105, 112, 120, 140, 150, 158, 168, 175, 200, 210, 237, 240, 280, 300, 316, 336, 350, 395, 400, 420, 474, 525, 553, 560, 600, 632, 700, 739, 790, 840, 948, 1050, 1106, 1185, 1200, 1264, 1400, 1478, 1580, 1659, 1680, 1896, 1975, 2100, 2212, 2217, 2370, 2765, 2800, 2956, 3160, 3318, 3695, 3792, 3950, 4200, 4424, 4434, 4740, 5173, 5530, 5912, 5925, 6320, 6636, 7390, 7900, 8295, 8400, 8848, 8868, 9480, 10346, 11060, 11085, 11824, 11850, 13272, 13825, 14780, 15519, 15800, 16590, 17736, 18475, 18960, 20692, 22120, 22170, 23700, 25865, 26544, 27650, 29560, 31038, 31600, 33180, 35472, 36950, 41384, 41475, 44240, 44340, 47400, 51730, 55300, 55425, 58381, 59120, 62076, 66360, 73900, 77595, 82768, 82950, 88680, 94800, 103460, 110600, 110850, 116762, 124152, 129325, 132720, 147800, 155190, 165900, 175143, 177360, 206920, 221200, 221700, 233524, 248304, 258650, 291905, 295600, 310380, 331800, 350286, 387975, 408667, 413840, 443400, 467048, 517300, 583810, 620760, 663600, 700572, 775950, 817334, 875715, 886800, 934096, 1034600, 1167620, 1226001, 1241520, 1401144, 1459525, 1551900, 1634668, 1751430, 2043335, 2069200, 2335240, 2452002, 2802288, 2919050, 3103800, 3269336, 3502860, 4086670, 4378575, 4670480, 4904004, 5838100, 6130005, 6207600, 6538672, 7005720, 8173340, 8757150, 9808008, 10216675, 11676200, 12260010, 14011440, 16346680, 17514300, 19616016, 20433350, 23352400, 24520020, 30650025, 32693360, 35028600, 40866700, 49040040, 61300050, 70057200, 81733400, 98080080, 122600100, 163466800, 245200200, 490400400]

約数ペア:

[(1, 490400400), (2, 245200200), (3, 163466800), (4, 122600100), (5, 98080080), (6, 81733400), (7, 70057200), (8, 61300050), (10, 49040040), (12, 40866700), (14, 35028600), (15, 32693360), (16, 30650025), (20, 24520020), (21, 23352400), (24, 20433350), (25, 19616016), (28, 17514300), (30, 16346680), (35, 14011440), (40, 12260010), (42, 11676200), (48, 10216675), (50, 9808008), (56, 8757150), (60, 8173340), (70, 7005720), (75, 6538672), (79, 6207600), (80, 6130005), (84, 5838100), (100, 4904004), (105, 4670480), (112, 4378575), (120, 4086670), (140, 3502860), (150, 3269336), (158, 3103800), (168, 2919050), (175, 2802288), (200, 2452002), (210, 2335240), (237, 2069200), (240, 2043335), (280, 1751430), (300, 1634668), (316, 1551900), (336, 1459525), (350, 1401144), (395, 1241520), (400, 1226001), (420, 1167620), (474, 1034600), (525, 934096), (553, 886800), (560, 875715), (600, 817334), (632, 775950), (700, 700572), (739, 663600), (790, 620760), (840, 583810), (948, 517300), (1050, 467048), (1106, 443400), (1185, 413840), (1200, 408667), (1264, 387975), (1400, 350286), (1478, 331800), (1580, 310380), (1659, 295600), (1680, 291905), (1896, 258650), (1975, 248304), (2100, 233524), (2212, 221700), (2217, 221200), (2370, 206920), (2765, 177360), (2800, 175143), (2956, 165900), (3160, 155190), (3318, 147800), (3695, 132720), (3792, 129325), (3950, 124152), (4200, 116762), (4424, 110850), (4434, 110600), (4740, 103460), (5173, 94800), (5530, 88680), (5912, 82950), (5925, 82768), (6320, 77595), (6636, 73900), (7390, 66360), (7900, 62076), (8295, 59120), (8400, 58381), (8848, 55425), (8868, 55300), (9480, 51730), (10346, 47400), (11060, 44340), (11085, 44240), (11824, 41475), (11850, 41384), (13272, 36950), (13825, 35472), (14780, 33180), (15519, 31600), (15800, 31038), (16590, 29560), (17736, 27650), (18475, 26544), (18960, 25865), (20692, 23700), (22120, 22170)]