1567783780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{2081}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 3329867520

約数和(自身を除く): 1762083740

約数列:

[1, 2, 4, 5, 10, 20, 139, 271, 278, 542, 556, 695, 1084, 1355, 1390, 2081, 2710, 2780, 4162, 5420, 8324, 10405, 20810, 37669, 41620, 75338, 150676, 188345, 289259, 376690, 563951, 578518, 753380, 1127902, 1157036, 1446295, 2255804, 2819755, 2892590, 5639510, 5785180, 11279020, 78389189, 156778378, 313556756, 391945945, 783891890, 1567783780]

約数ペア:

[(1, 1567783780), (2, 783891890), (4, 391945945), (5, 313556756), (10, 156778378), (20, 78389189), (139, 11279020), (271, 5785180), (278, 5639510), (542, 2892590), (556, 2819755), (695, 2255804), (1084, 1446295), (1355, 1157036), (1390, 1127902), (2081, 753380), (2710, 578518), (2780, 563951), (4162, 376690), (5420, 289259), (8324, 188345), (10405, 150676), (20810, 75338), (37669, 41620)]