7734740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 10046380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 419, 710, 838, 923, 1420, 1676, 1846, 2095, 3692, 4190, 4615, 5447, 8380, 9230, 10894, 18460, 21788, 27235, 29749, 54470, 59498, 108940, 118996, 148745, 297490, 386737, 594980, 773474, 1546948, 1933685, 3867370, 7734740]

約数ペア:

[(1, 7734740), (2, 3867370), (4, 1933685), (5, 1546948), (10, 773474), (13, 594980), (20, 386737), (26, 297490), (52, 148745), (65, 118996), (71, 108940), (130, 59498), (142, 54470), (260, 29749), (284, 27235), (355, 21788), (419, 18460), (710, 10894), (838, 9230), (923, 8380), (1420, 5447), (1676, 4615), (1846, 4190), (2095, 3692)]