688331360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253063}}^1$

素因数の和:253095

約数の個数: 48

約数和(自身を含む): 1721847456

約数和(自身を除く): 1033516096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 253063, 506126, 1012252, 1265315, 2024504, 2530630, 4049008, 4302071, 5061260, 8098016, 8604142, 10122520, 17208284, 20245040, 21510355, 34416568, 40490080, 43020710, 68833136, 86041420, 137666272, 172082840, 344165680, 688331360]

約数ペア:

[(1, 688331360), (2, 344165680), (4, 172082840), (5, 137666272), (8, 86041420), (10, 68833136), (16, 43020710), (17, 40490080), (20, 34416568), (32, 21510355), (34, 20245040), (40, 17208284), (68, 10122520), (80, 8604142), (85, 8098016), (136, 5061260), (160, 4302071), (170, 4049008), (272, 2530630), (340, 2024504), (544, 1265315), (680, 1012252), (1360, 506126), (2720, 253063)]