388372775

素因数分解:

$5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 586841904

約数和(自身を除く): 198469129

約数列:

[1, 5, 7, 25, 35, 43, 49, 73, 101, 175, 215, 245, 301, 365, 505, 511, 707, 1075, 1225, 1505, 1825, 2107, 2525, 2555, 3139, 3535, 3577, 4343, 4949, 7373, 7525, 10535, 12775, 15695, 17675, 17885, 21715, 21973, 24745, 30401, 36865, 51611, 52675, 78475, 89425, 108575, 109865, 123725, 152005, 153811, 184325, 212807, 258055, 317039, 361277, 549325, 760025, 769055, 1064035, 1290275, 1585195, 1806385, 2219273, 3845275, 5320175, 7925975, 9031925, 11096365, 15534911, 55481825, 77674555, 388372775]

約数ペア:

[(1, 388372775), (5, 77674555), (7, 55481825), (25, 15534911), (35, 11096365), (43, 9031925), (49, 7925975), (73, 5320175), (101, 3845275), (175, 2219273), (215, 1806385), (245, 1585195), (301, 1290275), (365, 1064035), (505, 769055), (511, 760025), (707, 549325), (1075, 361277), (1225, 317039), (1505, 258055), (1825, 212807), (2107, 184325), (2525, 153811), (2555, 152005), (3139, 123725), (3535, 109865), (3577, 108575), (4343, 89425), (4949, 78475), (7373, 52675), (7525, 51611), (10535, 36865), (12775, 30401), (15695, 24745), (17675, 21973), (17885, 21715)]