1717727980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{6311}}^1$

素因数の和:6790

約数の個数: 48

約数和(自身を含む): 3732664320

約数和(自身を除く): 2014936340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 439, 620, 878, 1756, 2195, 4390, 6311, 8780, 12622, 13609, 25244, 27218, 31555, 54436, 63110, 68045, 126220, 136090, 195641, 272180, 391282, 782564, 978205, 1956410, 2770529, 3912820, 5541058, 11082116, 13852645, 27705290, 55410580, 85886399, 171772798, 343545596, 429431995, 858863990, 1717727980]

約数ペア:

[(1, 1717727980), (2, 858863990), (4, 429431995), (5, 343545596), (10, 171772798), (20, 85886399), (31, 55410580), (62, 27705290), (124, 13852645), (155, 11082116), (310, 5541058), (439, 3912820), (620, 2770529), (878, 1956410), (1756, 978205), (2195, 782564), (4390, 391282), (6311, 272180), (8780, 195641), (12622, 136090), (13609, 126220), (25244, 68045), (27218, 63110), (31555, 54436)]