253638220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{60679}}^1$

素因数の和:60718

約数の個数: 48

約数和(自身を含む): 611654400

約数和(自身を除く): 358016180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 60679, 121358, 242716, 303395, 606790, 667469, 1152901, 1213580, 1334938, 2305802, 2669876, 3337345, 4611604, 5764505, 6674690, 11529010, 12681911, 13349380, 23058020, 25363822, 50727644, 63409555, 126819110, 253638220]

約数ペア:

[(1, 253638220), (2, 126819110), (4, 63409555), (5, 50727644), (10, 25363822), (11, 23058020), (19, 13349380), (20, 12681911), (22, 11529010), (38, 6674690), (44, 5764505), (55, 4611604), (76, 3337345), (95, 2669876), (110, 2305802), (190, 1334938), (209, 1213580), (220, 1152901), (380, 667469), (418, 606790), (836, 303395), (1045, 242716), (2090, 121358), (4180, 60679)]