388581920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 1047271680

約数和(自身を除く): 658689760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 73, 76, 80, 85, 95, 103, 136, 146, 152, 160, 170, 190, 206, 272, 292, 304, 323, 340, 365, 380, 412, 515, 544, 584, 608, 646, 680, 730, 760, 824, 1030, 1168, 1241, 1292, 1360, 1387, 1460, 1520, 1615, 1648, 1751, 1957, 2060, 2336, 2482, 2584, 2720, 2774, 2920, 3040, 3230, 3296, 3502, 3914, 4120, 4964, 5168, 5548, 5840, 6205, 6460, 6935, 7004, 7519, 7828, 8240, 8755, 9785, 9928, 10336, 11096, 11680, 12410, 12920, 13870, 14008, 15038, 15656, 16480, 17510, 19570, 19856, 22192, 23579, 24820, 25840, 27740, 28016, 30076, 31312, 33269, 35020, 37595, 39140, 39712, 44384, 47158, 49640, 51680, 55480, 56032, 60152, 62624, 66538, 70040, 75190, 78280, 94316, 99280, 110960, 117895, 120304, 127823, 133076, 140080, 142861, 150380, 156560, 166345, 188632, 198560, 221920, 235790, 240608, 255646, 266152, 280160, 285722, 300760, 313120, 332690, 377264, 471580, 511292, 532304, 571444, 601520, 639115, 665380, 714305, 754528, 943160, 1022584, 1064608, 1142888, 1203040, 1278230, 1330760, 1428610, 1886320, 2045168, 2285776, 2428637, 2556460, 2661520, 2857220, 3772640, 4090336, 4571552, 4857274, 5112920, 5323040, 5714440, 9714548, 10225840, 11428880, 12143185, 19429096, 20451680, 22857760, 24286370, 38858192, 48572740, 77716384, 97145480, 194290960, 388581920]

約数ペア:

[(1, 388581920), (2, 194290960), (4, 97145480), (5, 77716384), (8, 48572740), (10, 38858192), (16, 24286370), (17, 22857760), (19, 20451680), (20, 19429096), (32, 12143185), (34, 11428880), (38, 10225840), (40, 9714548), (68, 5714440), (73, 5323040), (76, 5112920), (80, 4857274), (85, 4571552), (95, 4090336), (103, 3772640), (136, 2857220), (146, 2661520), (152, 2556460), (160, 2428637), (170, 2285776), (190, 2045168), (206, 1886320), (272, 1428610), (292, 1330760), (304, 1278230), (323, 1203040), (340, 1142888), (365, 1064608), (380, 1022584), (412, 943160), (515, 754528), (544, 714305), (584, 665380), (608, 639115), (646, 601520), (680, 571444), (730, 532304), (760, 511292), (824, 471580), (1030, 377264), (1168, 332690), (1241, 313120), (1292, 300760), (1360, 285722), (1387, 280160), (1460, 266152), (1520, 255646), (1615, 240608), (1648, 235790), (1751, 221920), (1957, 198560), (2060, 188632), (2336, 166345), (2482, 156560), (2584, 150380), (2720, 142861), (2774, 140080), (2920, 133076), (3040, 127823), (3230, 120304), (3296, 117895), (3502, 110960), (3914, 99280), (4120, 94316), (4964, 78280), (5168, 75190), (5548, 70040), (5840, 66538), (6205, 62624), (6460, 60152), (6935, 56032), (7004, 55480), (7519, 51680), (7828, 49640), (8240, 47158), (8755, 44384), (9785, 39712), (9928, 39140), (10336, 37595), (11096, 35020), (11680, 33269), (12410, 31312), (12920, 30076), (13870, 28016), (14008, 27740), (15038, 25840), (15656, 24820), (16480, 23579), (17510, 22192), (19570, 19856)]