289370320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{53987}}^1$

素因数の和:54067

約数の個数: 40

約数和(自身を含む): 682840224

約数和(自身を除く): 393469904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 53987, 107974, 215948, 269935, 431896, 539870, 863792, 1079740, 2159480, 3617129, 4318960, 7234258, 14468516, 18085645, 28937032, 36171290, 57874064, 72342580, 144685160, 289370320]

約数ペア:

[(1, 289370320), (2, 144685160), (4, 72342580), (5, 57874064), (8, 36171290), (10, 28937032), (16, 18085645), (20, 14468516), (40, 7234258), (67, 4318960), (80, 3617129), (134, 2159480), (268, 1079740), (335, 863792), (536, 539870), (670, 431896), (1072, 269935), (1340, 215948), (2680, 107974), (5360, 53987)]