28466690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 62380800

約数和(自身を除く): 33914110

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 37, 58, 70, 74, 145, 185, 203, 259, 290, 370, 379, 406, 518, 758, 1015, 1073, 1295, 1895, 2030, 2146, 2590, 2653, 3790, 5306, 5365, 7511, 10730, 10991, 13265, 14023, 15022, 21982, 26530, 28046, 37555, 54955, 70115, 75110, 76937, 98161, 109910, 140230, 153874, 196322, 384685, 406667, 490805, 769370, 813334, 981610, 2033335, 2846669, 4066670, 5693338, 14233345, 28466690]

約数ペア:

[(1, 28466690), (2, 14233345), (5, 5693338), (7, 4066670), (10, 2846669), (14, 2033335), (29, 981610), (35, 813334), (37, 769370), (58, 490805), (70, 406667), (74, 384685), (145, 196322), (185, 153874), (203, 140230), (259, 109910), (290, 98161), (370, 76937), (379, 75110), (406, 70115), (518, 54955), (758, 37555), (1015, 28046), (1073, 26530), (1295, 21982), (1895, 15022), (2030, 14023), (2146, 13265), (2590, 10991), (2653, 10730), (3790, 7511), (5306, 5365)]