1551178970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{4721}}^1$

素因数の和:4871

約数の個数: 64

約数和(自身を含む): 3182250240

約数和(自身を除く): 1631071270

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 103, 110, 145, 206, 290, 319, 515, 638, 1030, 1133, 1595, 2266, 2987, 3190, 4721, 5665, 5974, 9442, 11330, 14935, 23605, 29870, 32857, 47210, 51931, 65714, 103862, 136909, 164285, 259655, 273818, 328570, 486263, 519310, 684545, 972526, 1369090, 1505999, 2431315, 3011998, 4862630, 5348893, 7529995, 10697786, 14101627, 15059990, 26744465, 28203254, 53488930, 70508135, 141016270, 155117897, 310235794, 775589485, 1551178970]

約数ペア:

[(1, 1551178970), (2, 775589485), (5, 310235794), (10, 155117897), (11, 141016270), (22, 70508135), (29, 53488930), (55, 28203254), (58, 26744465), (103, 15059990), (110, 14101627), (145, 10697786), (206, 7529995), (290, 5348893), (319, 4862630), (515, 3011998), (638, 2431315), (1030, 1505999), (1133, 1369090), (1595, 972526), (2266, 684545), (2987, 519310), (3190, 486263), (4721, 328570), (5665, 273818), (5974, 259655), (9442, 164285), (11330, 136909), (14935, 103862), (23605, 65714), (29870, 51931), (32857, 47210)]