30872530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 34445870

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 290, 377, 431, 494, 551, 754, 862, 1102, 1235, 1885, 2155, 2470, 2755, 3770, 4310, 5510, 5603, 7163, 8189, 11206, 12499, 14326, 16378, 24998, 28015, 35815, 40945, 56030, 62495, 71630, 81890, 106457, 124990, 162487, 212914, 237481, 324974, 474962, 532285, 812435, 1064570, 1187405, 1624870, 2374810, 3087253, 6174506, 15436265, 30872530]

約数ペア:

[(1, 30872530), (2, 15436265), (5, 6174506), (10, 3087253), (13, 2374810), (19, 1624870), (26, 1187405), (29, 1064570), (38, 812435), (58, 532285), (65, 474962), (95, 324974), (130, 237481), (145, 212914), (190, 162487), (247, 124990), (290, 106457), (377, 81890), (431, 71630), (494, 62495), (551, 56030), (754, 40945), (862, 35815), (1102, 28015), (1235, 24998), (1885, 16378), (2155, 14326), (2470, 12499), (2755, 11206), (3770, 8189), (4310, 7163), (5510, 5603)]