69879580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 155232000

約数和(自身を除く): 85352420

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 2749, 5084, 5498, 6355, 10996, 12710, 13745, 25420, 27490, 54980, 85219, 112709, 170438, 225418, 340876, 426095, 450836, 563545, 852190, 1127090, 1704380, 2254180, 3493979, 6987958, 13975916, 17469895, 34939790, 69879580]

約数ペア:

[(1, 69879580), (2, 34939790), (4, 17469895), (5, 13975916), (10, 6987958), (20, 3493979), (31, 2254180), (41, 1704380), (62, 1127090), (82, 852190), (124, 563545), (155, 450836), (164, 426095), (205, 340876), (310, 225418), (410, 170438), (620, 112709), (820, 85219), (1271, 54980), (2542, 27490), (2749, 25420), (5084, 13745), (5498, 12710), (6355, 10996)]