2187595420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1\times {\mathrm{1459}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 4676263200

約数和(自身を除く): 2488667780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1229, 1459, 2458, 2918, 4916, 5836, 6145, 7295, 12290, 14590, 24580, 29180, 74969, 88999, 149938, 177998, 299876, 355996, 374845, 444995, 749690, 889990, 1499380, 1779980, 1793111, 3586222, 7172444, 8965555, 17931110, 35862220, 109379771, 218759542, 437519084, 546898855, 1093797710, 2187595420]

約数ペア:

[(1, 2187595420), (2, 1093797710), (4, 546898855), (5, 437519084), (10, 218759542), (20, 109379771), (61, 35862220), (122, 17931110), (244, 8965555), (305, 7172444), (610, 3586222), (1220, 1793111), (1229, 1779980), (1459, 1499380), (2458, 889990), (2918, 749690), (4916, 444995), (5836, 374845), (6145, 355996), (7295, 299876), (12290, 177998), (14590, 149938), (24580, 88999), (29180, 74969)]