7163895980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{6121}}^1$

素因数の和:6690

約数の個数: 48

約数和(自身を含む): 15190885920

約数和(自身を除く): 8026989940

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 421, 556, 695, 842, 1390, 1684, 2105, 2780, 4210, 6121, 8420, 12242, 24484, 30605, 58519, 61210, 117038, 122420, 234076, 292595, 585190, 850819, 1170380, 1701638, 2576941, 3403276, 4254095, 5153882, 8508190, 10307764, 12884705, 17016380, 25769410, 51538820, 358194799, 716389598, 1432779196, 1790973995, 3581947990, 7163895980]

約数ペア:

[(1, 7163895980), (2, 3581947990), (4, 1790973995), (5, 1432779196), (10, 716389598), (20, 358194799), (139, 51538820), (278, 25769410), (421, 17016380), (556, 12884705), (695, 10307764), (842, 8508190), (1390, 5153882), (1684, 4254095), (2105, 3403276), (2780, 2576941), (4210, 1701638), (6121, 1170380), (8420, 850819), (12242, 585190), (24484, 292595), (30605, 234076), (58519, 122420), (61210, 117038)]