280218540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9397}}^1$

素因数の和:9487

約数の個数: 96

約数和(自身を含む): 909425664

約数和(自身を除く): 629207124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4970, 5964, 7455, 9397, 9940, 14910, 18794, 28191, 29820, 37588, 46985, 56382, 65779, 93970, 112764, 131558, 140955, 187940, 197337, 263116, 281910, 328895, 394674, 563820, 657790, 667187, 789348, 986685, 1315580, 1334374, 1973370, 2001561, 2668748, 3335935, 3946740, 4003122, 4670309, 6671870, 8006244, 9340618, 10007805, 13343740, 14010927, 18681236, 20015610, 23351545, 28021854, 40031220, 46703090, 56043708, 70054635, 93406180, 140109270, 280218540]

約数ペア:

[(1, 280218540), (2, 140109270), (3, 93406180), (4, 70054635), (5, 56043708), (6, 46703090), (7, 40031220), (10, 28021854), (12, 23351545), (14, 20015610), (15, 18681236), (20, 14010927), (21, 13343740), (28, 10007805), (30, 9340618), (35, 8006244), (42, 6671870), (60, 4670309), (70, 4003122), (71, 3946740), (84, 3335935), (105, 2668748), (140, 2001561), (142, 1973370), (210, 1334374), (213, 1315580), (284, 986685), (355, 789348), (420, 667187), (426, 657790), (497, 563820), (710, 394674), (852, 328895), (994, 281910), (1065, 263116), (1420, 197337), (1491, 187940), (1988, 140955), (2130, 131558), (2485, 112764), (2982, 93970), (4260, 65779), (4970, 56382), (5964, 46985), (7455, 37588), (9397, 29820), (9940, 28191), (14910, 18794)]