153978980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1033}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 336132720

約数和(自身を除く): 182153740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 257, 290, 514, 580, 1028, 1033, 1285, 2066, 2570, 4132, 5140, 5165, 7453, 10330, 14906, 20660, 29812, 29957, 37265, 59914, 74530, 119828, 149060, 149785, 265481, 299570, 530962, 599140, 1061924, 1327405, 2654810, 5309620, 7698949, 15397898, 30795796, 38494745, 76989490, 153978980]

約数ペア:

[(1, 153978980), (2, 76989490), (4, 38494745), (5, 30795796), (10, 15397898), (20, 7698949), (29, 5309620), (58, 2654810), (116, 1327405), (145, 1061924), (257, 599140), (290, 530962), (514, 299570), (580, 265481), (1028, 149785), (1033, 149060), (1285, 119828), (2066, 74530), (2570, 59914), (4132, 37265), (5140, 29957), (5165, 29812), (7453, 20660), (10330, 14906)]