278240320

素因数分解:

$2^6\times 5^1\times {\mathrm{869501}}^1$

素因数の和:869518

約数の個数: 28

約数和(自身を含む): 662560524

約数和(自身を除く): 384320204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 869501, 1739002, 3478004, 4347505, 6956008, 8695010, 13912016, 17390020, 27824032, 34780040, 55648064, 69560080, 139120160, 278240320]

約数ペア:

[(1, 278240320), (2, 139120160), (4, 69560080), (5, 55648064), (8, 34780040), (10, 27824032), (16, 17390020), (20, 13912016), (32, 8695010), (40, 6956008), (64, 4347505), (80, 3478004), (160, 1739002), (320, 869501)]