389695360

素因数分解:

$2^7\times 5^1\times {\mathrm{608899}}^1$

素因数の和:608918

約数の個数: 32

約数和(自身を含む): 931617000

約数和(自身を除く): 541921640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 608899, 1217798, 2435596, 3044495, 4871192, 6088990, 9742384, 12177980, 19484768, 24355960, 38969536, 48711920, 77939072, 97423840, 194847680, 389695360]

約数ペア:

[(1, 389695360), (2, 194847680), (4, 97423840), (5, 77939072), (8, 48711920), (10, 38969536), (16, 24355960), (20, 19484768), (32, 12177980), (40, 9742384), (64, 6088990), (80, 4871192), (128, 3044495), (160, 2435596), (320, 1217798), (640, 608899)]