280571452

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 600044928

約数和(自身を除く): 319473476

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 427, 434, 757, 854, 868, 1514, 1519, 1708, 1891, 2989, 3028, 3038, 3782, 5299, 5978, 6076, 7564, 10598, 11956, 13237, 21196, 23467, 26474, 37093, 46177, 46934, 52948, 74186, 92354, 92659, 93868, 148372, 164269, 184708, 185318, 323239, 328538, 370636, 646478, 657076, 1149883, 1292956, 1431487, 2262673, 2299766, 2862974, 4525346, 4599532, 5725948, 9050692, 10020409, 20040818, 40081636, 70142863, 140285726, 280571452]

約数ペア:

[(1, 280571452), (2, 140285726), (4, 70142863), (7, 40081636), (14, 20040818), (28, 10020409), (31, 9050692), (49, 5725948), (61, 4599532), (62, 4525346), (98, 2862974), (122, 2299766), (124, 2262673), (196, 1431487), (217, 1292956), (244, 1149883), (427, 657076), (434, 646478), (757, 370636), (854, 328538), (868, 323239), (1514, 185318), (1519, 184708), (1708, 164269), (1891, 148372), (2989, 93868), (3028, 92659), (3038, 92354), (3782, 74186), (5299, 52948), (5978, 46934), (6076, 46177), (7564, 37093), (10598, 26474), (11956, 23467), (13237, 21196)]