86939500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 201277440

約数和(自身を除く): 114337940

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 79, 100, 124, 125, 142, 155, 158, 250, 284, 310, 316, 355, 395, 500, 620, 710, 775, 790, 1420, 1550, 1580, 1775, 1975, 2201, 2449, 3100, 3550, 3875, 3950, 4402, 4898, 5609, 7100, 7750, 7900, 8804, 8875, 9796, 9875, 11005, 11218, 12245, 15500, 17750, 19750, 22010, 22436, 24490, 28045, 35500, 39500, 44020, 48980, 55025, 56090, 61225, 110050, 112180, 122450, 140225, 173879, 220100, 244900, 275125, 280450, 306125, 347758, 550250, 560900, 612250, 695516, 701125, 869395, 1100500, 1224500, 1402250, 1738790, 2804500, 3477580, 4346975, 8693950, 17387900, 21734875, 43469750, 86939500]

約数ペア:

[(1, 86939500), (2, 43469750), (4, 21734875), (5, 17387900), (10, 8693950), (20, 4346975), (25, 3477580), (31, 2804500), (50, 1738790), (62, 1402250), (71, 1224500), (79, 1100500), (100, 869395), (124, 701125), (125, 695516), (142, 612250), (155, 560900), (158, 550250), (250, 347758), (284, 306125), (310, 280450), (316, 275125), (355, 244900), (395, 220100), (500, 173879), (620, 140225), (710, 122450), (775, 112180), (790, 110050), (1420, 61225), (1550, 56090), (1580, 55025), (1775, 48980), (1975, 44020), (2201, 39500), (2449, 35500), (3100, 28045), (3550, 24490), (3875, 22436), (3950, 22010), (4402, 19750), (4898, 17750), (5609, 15500), (7100, 12245), (7750, 11218), (7900, 11005), (8804, 9875), (8875, 9796)]