381234520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{560639}}^1$

素因数の和:560667

約数の個数: 32

約数和(自身を含む): 908236800

約数和(自身を除く): 527002280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 560639, 1121278, 2242556, 2803195, 4485112, 5606390, 9530863, 11212780, 19061726, 22425560, 38123452, 47654315, 76246904, 95308630, 190617260, 381234520]

約数ペア:

[(1, 381234520), (2, 190617260), (4, 95308630), (5, 76246904), (8, 47654315), (10, 38123452), (17, 22425560), (20, 19061726), (34, 11212780), (40, 9530863), (68, 5606390), (85, 4485112), (136, 2803195), (170, 2242556), (340, 1121278), (680, 560639)]