1495456520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 3404721600

約数和(自身を除く): 1909265080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 277, 278, 554, 556, 695, 971, 1108, 1112, 1385, 1390, 1942, 2216, 2770, 2780, 3884, 4855, 5540, 5560, 7768, 9710, 11080, 19420, 38503, 38840, 77006, 134969, 154012, 192515, 268967, 269938, 308024, 385030, 537934, 539876, 674845, 770060, 1075868, 1079752, 1344835, 1349690, 1540120, 2151736, 2689670, 2699380, 5379340, 5398760, 10758680, 37386413, 74772826, 149545652, 186932065, 299091304, 373864130, 747728260, 1495456520]

約数ペア:

[(1, 1495456520), (2, 747728260), (4, 373864130), (5, 299091304), (8, 186932065), (10, 149545652), (20, 74772826), (40, 37386413), (139, 10758680), (277, 5398760), (278, 5379340), (554, 2699380), (556, 2689670), (695, 2151736), (971, 1540120), (1108, 1349690), (1112, 1344835), (1385, 1079752), (1390, 1075868), (1942, 770060), (2216, 674845), (2770, 539876), (2780, 537934), (3884, 385030), (4855, 308024), (5540, 269938), (5560, 268967), (7768, 192515), (9710, 154012), (11080, 134969), (19420, 77006), (38503, 38840)]