9278840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 22788000

約数和(自身を除く): 13509160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 421, 551, 580, 760, 842, 1102, 1160, 1684, 2105, 2204, 2755, 3368, 4210, 4408, 5510, 7999, 8420, 11020, 12209, 15998, 16840, 22040, 24418, 31996, 39995, 48836, 61045, 63992, 79990, 97672, 122090, 159980, 231971, 244180, 319960, 463942, 488360, 927884, 1159855, 1855768, 2319710, 4639420, 9278840]

約数ペア:

[(1, 9278840), (2, 4639420), (4, 2319710), (5, 1855768), (8, 1159855), (10, 927884), (19, 488360), (20, 463942), (29, 319960), (38, 244180), (40, 231971), (58, 159980), (76, 122090), (95, 97672), (116, 79990), (145, 63992), (152, 61045), (190, 48836), (232, 39995), (290, 31996), (380, 24418), (421, 22040), (551, 16840), (580, 15998), (760, 12209), (842, 11020), (1102, 8420), (1160, 7999), (1684, 5510), (2105, 4408), (2204, 4210), (2755, 3368)]