156741078220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5261}}^1\times {\mathrm{20981}}^1$

素因数の和:26322

約数の個数: 48

約数和(自身を含む): 333871626816

約数和(自身を除く): 177130548596

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5261, 10522, 20981, 21044, 26305, 41962, 52610, 83924, 104905, 105220, 209810, 373531, 419620, 747062, 1489651, 1494124, 1867655, 2979302, 3735310, 5958604, 7448255, 7470620, 14896510, 29793020, 110381041, 220762082, 441524164, 551905205, 1103810410, 2207620820, 7837053911, 15674107822, 31348215644, 39185269555, 78370539110, 156741078220]

約数ペア:

[(1, 156741078220), (2, 78370539110), (4, 39185269555), (5, 31348215644), (10, 15674107822), (20, 7837053911), (71, 2207620820), (142, 1103810410), (284, 551905205), (355, 441524164), (710, 220762082), (1420, 110381041), (5261, 29793020), (10522, 14896510), (20981, 7470620), (21044, 7448255), (26305, 5958604), (41962, 3735310), (52610, 2979302), (83924, 1867655), (104905, 1494124), (105220, 1489651), (209810, 747062), (373531, 419620)]