407647480

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 930009600

約数和(自身を除く): 522362120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 229, 233, 382, 458, 466, 764, 916, 932, 955, 1145, 1165, 1528, 1832, 1864, 1910, 2290, 2330, 3820, 4580, 4660, 7640, 9160, 9320, 43739, 44503, 53357, 87478, 89006, 106714, 174956, 178012, 213428, 218695, 222515, 266785, 349912, 356024, 426856, 437390, 445030, 533570, 874780, 890060, 1067140, 1749560, 1780120, 2134280, 10191187, 20382374, 40764748, 50955935, 81529496, 101911870, 203823740, 407647480]

約数ペア:

[(1, 407647480), (2, 203823740), (4, 101911870), (5, 81529496), (8, 50955935), (10, 40764748), (20, 20382374), (40, 10191187), (191, 2134280), (229, 1780120), (233, 1749560), (382, 1067140), (458, 890060), (466, 874780), (764, 533570), (916, 445030), (932, 437390), (955, 426856), (1145, 356024), (1165, 349912), (1528, 266785), (1832, 222515), (1864, 218695), (1910, 213428), (2290, 178012), (2330, 174956), (3820, 106714), (4580, 89006), (4660, 87478), (7640, 53357), (9160, 44503), (9320, 43739)]