509343820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{21419}}^1$

素因数の和:21498

約数の個数: 48

約数和(自身を含む): 1133546400

約数和(自身を除く): 624202580

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 21419, 23780, 42838, 85676, 107095, 214190, 428380, 621151, 878179, 1242302, 1756358, 2484604, 3105755, 3512716, 4390895, 6211510, 8781790, 12423020, 17563580, 25467191, 50934382, 101868764, 127335955, 254671910, 509343820]

約数ペア:

[(1, 509343820), (2, 254671910), (4, 127335955), (5, 101868764), (10, 50934382), (20, 25467191), (29, 17563580), (41, 12423020), (58, 8781790), (82, 6211510), (116, 4390895), (145, 3512716), (164, 3105755), (205, 2484604), (290, 1756358), (410, 1242302), (580, 878179), (820, 621151), (1189, 428380), (2378, 214190), (4756, 107095), (5945, 85676), (11890, 42838), (21419, 23780)]