7879580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 17418240

約数和(自身を除く): 9538660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 179, 284, 310, 355, 358, 620, 710, 716, 895, 1420, 1790, 2201, 3580, 4402, 5549, 8804, 11005, 11098, 12709, 22010, 22196, 25418, 27745, 44020, 50836, 55490, 63545, 110980, 127090, 254180, 393979, 787958, 1575916, 1969895, 3939790, 7879580]

約数ペア:

[(1, 7879580), (2, 3939790), (4, 1969895), (5, 1575916), (10, 787958), (20, 393979), (31, 254180), (62, 127090), (71, 110980), (124, 63545), (142, 55490), (155, 50836), (179, 44020), (284, 27745), (310, 25418), (355, 22196), (358, 22010), (620, 12709), (710, 11098), (716, 11005), (895, 8804), (1420, 5549), (1790, 4402), (2201, 3580)]