17387900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 39997440

約数和(自身を除く): 22609540

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 79, 100, 124, 142, 155, 158, 284, 310, 316, 355, 395, 620, 710, 775, 790, 1420, 1550, 1580, 1775, 1975, 2201, 2449, 3100, 3550, 3950, 4402, 4898, 5609, 7100, 7900, 8804, 9796, 11005, 11218, 12245, 22010, 22436, 24490, 28045, 44020, 48980, 55025, 56090, 61225, 110050, 112180, 122450, 140225, 173879, 220100, 244900, 280450, 347758, 560900, 695516, 869395, 1738790, 3477580, 4346975, 8693950, 17387900]

約数ペア:

[(1, 17387900), (2, 8693950), (4, 4346975), (5, 3477580), (10, 1738790), (20, 869395), (25, 695516), (31, 560900), (50, 347758), (62, 280450), (71, 244900), (79, 220100), (100, 173879), (124, 140225), (142, 122450), (155, 112180), (158, 110050), (284, 61225), (310, 56090), (316, 55025), (355, 48980), (395, 44020), (620, 28045), (710, 24490), (775, 22436), (790, 22010), (1420, 12245), (1550, 11218), (1580, 11005), (1775, 9796), (1975, 8804), (2201, 7900), (2449, 7100), (3100, 5609), (3550, 4898), (3950, 4402)]