208285140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{809}}^1$

素因数の和:1441

約数の個数: 96

約数和(自身を含む): 668424960

約数和(自身を除く): 460139820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 613, 809, 1226, 1618, 1839, 2427, 2452, 3065, 3236, 3678, 4045, 4291, 4854, 5663, 6130, 7356, 8090, 8582, 9195, 9708, 11326, 12135, 12260, 12873, 16180, 16989, 17164, 18390, 21455, 22652, 24270, 25746, 28315, 33978, 36780, 42910, 48540, 51492, 56630, 64365, 67956, 84945, 85820, 113260, 128730, 169890, 257460, 339780, 495917, 991834, 1487751, 1983668, 2479585, 2975502, 3471419, 4959170, 5951004, 6942838, 7438755, 9918340, 10414257, 13885676, 14877510, 17357095, 20828514, 29755020, 34714190, 41657028, 52071285, 69428380, 104142570, 208285140]

約数ペア:

[(1, 208285140), (2, 104142570), (3, 69428380), (4, 52071285), (5, 41657028), (6, 34714190), (7, 29755020), (10, 20828514), (12, 17357095), (14, 14877510), (15, 13885676), (20, 10414257), (21, 9918340), (28, 7438755), (30, 6942838), (35, 5951004), (42, 4959170), (60, 3471419), (70, 2975502), (84, 2479585), (105, 1983668), (140, 1487751), (210, 991834), (420, 495917), (613, 339780), (809, 257460), (1226, 169890), (1618, 128730), (1839, 113260), (2427, 85820), (2452, 84945), (3065, 67956), (3236, 64365), (3678, 56630), (4045, 51492), (4291, 48540), (4854, 42910), (5663, 36780), (6130, 33978), (7356, 28315), (8090, 25746), (8582, 24270), (9195, 22652), (9708, 21455), (11326, 18390), (12135, 17164), (12260, 16989), (12873, 16180)]