38791025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 63954240

約数和(自身を除く): 25163215

約数列:

[1, 5, 7, 13, 17, 25, 35, 59, 65, 85, 91, 119, 175, 221, 289, 295, 325, 413, 425, 455, 595, 767, 1003, 1105, 1445, 1475, 1547, 2023, 2065, 2275, 2975, 3757, 3835, 5015, 5369, 5525, 7021, 7225, 7735, 10115, 10325, 13039, 17051, 18785, 19175, 25075, 26299, 26845, 35105, 38675, 50575, 65195, 85255, 91273, 93925, 119357, 131495, 134225, 175525, 221663, 325975, 426275, 456365, 596785, 657475, 1108315, 1551641, 2281825, 2983925, 5541575, 7758205, 38791025]

約数ペア:

[(1, 38791025), (5, 7758205), (7, 5541575), (13, 2983925), (17, 2281825), (25, 1551641), (35, 1108315), (59, 657475), (65, 596785), (85, 456365), (91, 426275), (119, 325975), (175, 221663), (221, 175525), (289, 134225), (295, 131495), (325, 119357), (413, 93925), (425, 91273), (455, 85255), (595, 65195), (767, 50575), (1003, 38675), (1105, 35105), (1445, 26845), (1475, 26299), (1547, 25075), (2023, 19175), (2065, 18785), (2275, 17051), (2975, 13039), (3757, 10325), (3835, 10115), (5015, 7735), (5369, 7225), (5525, 7021)]