2615661940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1\times {\mathrm{1901}}^1$

素因数の和:2772

約数の個数: 48

約数和(自身を含む): 5564719440

約数和(自身を除く): 2949057500

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 773, 890, 1546, 1780, 1901, 3092, 3802, 3865, 7604, 7730, 9505, 15460, 19010, 38020, 68797, 137594, 169189, 275188, 338378, 343985, 676756, 687970, 845945, 1375940, 1469473, 1691890, 2938946, 3383780, 5877892, 7347365, 14694730, 29389460, 130783097, 261566194, 523132388, 653915485, 1307830970, 2615661940]

約数ペア:

[(1, 2615661940), (2, 1307830970), (4, 653915485), (5, 523132388), (10, 261566194), (20, 130783097), (89, 29389460), (178, 14694730), (356, 7347365), (445, 5877892), (773, 3383780), (890, 2938946), (1546, 1691890), (1780, 1469473), (1901, 1375940), (3092, 845945), (3802, 687970), (3865, 676756), (7604, 343985), (7730, 338378), (9505, 275188), (15460, 169189), (19010, 137594), (38020, 68797)]