128670100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3413}}^1$

素因数の和:3469

約数の個数: 72

約数和(自身を含む): 311151960

約数和(自身を除く): 182481860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3413, 3770, 6826, 7540, 9425, 13652, 17065, 18850, 34130, 37700, 44369, 68260, 85325, 88738, 98977, 170650, 177476, 197954, 221845, 341300, 395908, 443690, 494885, 887380, 989770, 1109225, 1286701, 1979540, 2218450, 2474425, 2573402, 4436900, 4948850, 5146804, 6433505, 9897700, 12867010, 25734020, 32167525, 64335050, 128670100]

約数ペア:

[(1, 128670100), (2, 64335050), (4, 32167525), (5, 25734020), (10, 12867010), (13, 9897700), (20, 6433505), (25, 5146804), (26, 4948850), (29, 4436900), (50, 2573402), (52, 2474425), (58, 2218450), (65, 1979540), (100, 1286701), (116, 1109225), (130, 989770), (145, 887380), (260, 494885), (290, 443690), (325, 395908), (377, 341300), (580, 221845), (650, 197954), (725, 177476), (754, 170650), (1300, 98977), (1450, 88738), (1508, 85325), (1885, 68260), (2900, 44369), (3413, 37700), (3770, 34130), (6826, 18850), (7540, 17065), (9425, 13652)]