30899240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 72394560

約数和(自身を除く): 41495320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 227, 328, 332, 410, 415, 454, 664, 820, 830, 908, 1135, 1640, 1660, 1816, 2270, 3320, 3403, 4540, 6806, 9080, 9307, 13612, 17015, 18614, 18841, 27224, 34030, 37228, 37682, 46535, 68060, 74456, 75364, 93070, 94205, 136120, 150728, 186140, 188410, 372280, 376820, 753640, 772481, 1544962, 3089924, 3862405, 6179848, 7724810, 15449620, 30899240]

約数ペア:

[(1, 30899240), (2, 15449620), (4, 7724810), (5, 6179848), (8, 3862405), (10, 3089924), (20, 1544962), (40, 772481), (41, 753640), (82, 376820), (83, 372280), (164, 188410), (166, 186140), (205, 150728), (227, 136120), (328, 94205), (332, 93070), (410, 75364), (415, 74456), (454, 68060), (664, 46535), (820, 37682), (830, 37228), (908, 34030), (1135, 27224), (1640, 18841), (1660, 18614), (1816, 17015), (2270, 13612), (3320, 9307), (3403, 9080), (4540, 6806)]