677196680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{8377}}^1$

素因数の和:8478

約数の個数: 64

約数和(自身を含む): 1592490240

約数和(自身を除く): 915293560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 4042, 8084, 8377, 10105, 16168, 16754, 20210, 33508, 40420, 41885, 67016, 80840, 83770, 167540, 335080, 360211, 393719, 720422, 787438, 1440844, 1574876, 1801055, 1968595, 2881688, 3149752, 3602110, 3937190, 7204220, 7874380, 14408440, 15748760, 16929917, 33859834, 67719668, 84649585, 135439336, 169299170, 338598340, 677196680]

約数ペア:

[(1, 677196680), (2, 338598340), (4, 169299170), (5, 135439336), (8, 84649585), (10, 67719668), (20, 33859834), (40, 16929917), (43, 15748760), (47, 14408440), (86, 7874380), (94, 7204220), (172, 3937190), (188, 3602110), (215, 3149752), (235, 2881688), (344, 1968595), (376, 1801055), (430, 1574876), (470, 1440844), (860, 787438), (940, 720422), (1720, 393719), (1880, 360211), (2021, 335080), (4042, 167540), (8084, 83770), (8377, 80840), (10105, 67016), (16168, 41885), (16754, 40420), (20210, 33508)]