2480497900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{2129}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 5502147840

約数和(自身を除く): 3021649940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 191, 244, 305, 382, 610, 764, 955, 1220, 1525, 1910, 2129, 3050, 3820, 4258, 4775, 6100, 8516, 9550, 10645, 11651, 19100, 21290, 23302, 42580, 46604, 53225, 58255, 106450, 116510, 129869, 212900, 233020, 259738, 291275, 406639, 519476, 582550, 649345, 813278, 1165100, 1298690, 1626556, 2033195, 2597380, 3246725, 4066390, 6493450, 8132780, 10165975, 12986900, 20331950, 24804979, 40663900, 49609958, 99219916, 124024895, 248049790, 496099580, 620124475, 1240248950, 2480497900]

約数ペア:

[(1, 2480497900), (2, 1240248950), (4, 620124475), (5, 496099580), (10, 248049790), (20, 124024895), (25, 99219916), (50, 49609958), (61, 40663900), (100, 24804979), (122, 20331950), (191, 12986900), (244, 10165975), (305, 8132780), (382, 6493450), (610, 4066390), (764, 3246725), (955, 2597380), (1220, 2033195), (1525, 1626556), (1910, 1298690), (2129, 1165100), (3050, 813278), (3820, 649345), (4258, 582550), (4775, 519476), (6100, 406639), (8516, 291275), (9550, 259738), (10645, 233020), (11651, 212900), (19100, 129869), (21290, 116510), (23302, 106450), (42580, 58255), (46604, 53225)]