447005960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 1020600000

約数和(自身を除く): 573594040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 179, 298, 358, 419, 596, 716, 745, 838, 895, 1192, 1432, 1490, 1676, 1790, 2095, 2980, 3352, 3580, 4190, 5960, 7160, 8380, 16760, 26671, 53342, 62431, 75001, 106684, 124862, 133355, 150002, 213368, 249724, 266710, 300004, 312155, 375005, 499448, 533420, 600008, 624310, 750010, 1066840, 1248620, 1500020, 2497240, 3000040, 11175149, 22350298, 44700596, 55875745, 89401192, 111751490, 223502980, 447005960]

約数ペア:

[(1, 447005960), (2, 223502980), (4, 111751490), (5, 89401192), (8, 55875745), (10, 44700596), (20, 22350298), (40, 11175149), (149, 3000040), (179, 2497240), (298, 1500020), (358, 1248620), (419, 1066840), (596, 750010), (716, 624310), (745, 600008), (838, 533420), (895, 499448), (1192, 375005), (1432, 312155), (1490, 300004), (1676, 266710), (1790, 249724), (2095, 213368), (2980, 150002), (3352, 133355), (3580, 124862), (4190, 106684), (5960, 75001), (7160, 62431), (8380, 53342), (16760, 26671)]