488286890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 1176698880

約数和(自身を除く): 688411990

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 31, 35, 38, 62, 65, 70, 91, 95, 130, 133, 155, 182, 190, 217, 247, 266, 310, 403, 434, 455, 494, 589, 665, 806, 910, 911, 1085, 1178, 1235, 1330, 1729, 1822, 2015, 2170, 2470, 2821, 2945, 3458, 4030, 4123, 4555, 5642, 5890, 6377, 7657, 8246, 8645, 9110, 11843, 12754, 14105, 15314, 17290, 17309, 20615, 23686, 28210, 28241, 31885, 34618, 38285, 41230, 53599, 56482, 59215, 63770, 76570, 82901, 86545, 107198, 118430, 121163, 141205, 165802, 173090, 197687, 225017, 242326, 267995, 282410, 367133, 395374, 414505, 450034, 535990, 536579, 605815, 734266, 829010, 988435, 1073158, 1125085, 1211630, 1575119, 1835665, 1976870, 2250170, 2569931, 2682895, 3150238, 3671330, 3756053, 5139862, 5365790, 6975527, 7512106, 7875595, 12849655, 13951054, 15751190, 18780265, 25699310, 34877635, 37560530, 48828689, 69755270, 97657378, 244143445, 488286890]

約数ペア:

[(1, 488286890), (2, 244143445), (5, 97657378), (7, 69755270), (10, 48828689), (13, 37560530), (14, 34877635), (19, 25699310), (26, 18780265), (31, 15751190), (35, 13951054), (38, 12849655), (62, 7875595), (65, 7512106), (70, 6975527), (91, 5365790), (95, 5139862), (130, 3756053), (133, 3671330), (155, 3150238), (182, 2682895), (190, 2569931), (217, 2250170), (247, 1976870), (266, 1835665), (310, 1575119), (403, 1211630), (434, 1125085), (455, 1073158), (494, 988435), (589, 829010), (665, 734266), (806, 605815), (910, 536579), (911, 535990), (1085, 450034), (1178, 414505), (1235, 395374), (1330, 367133), (1729, 282410), (1822, 267995), (2015, 242326), (2170, 225017), (2470, 197687), (2821, 173090), (2945, 165802), (3458, 141205), (4030, 121163), (4123, 118430), (4555, 107198), (5642, 86545), (5890, 82901), (6377, 76570), (7657, 63770), (8246, 59215), (8645, 56482), (9110, 53599), (11843, 41230), (12754, 38285), (14105, 34618), (15314, 31885), (17290, 28241), (17309, 28210), (20615, 23686)]