2278644400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{72109}}^1$

素因数の和:72206

約数の個数: 60

約数和(自身を含む): 5543816800

約数和(自身を除く): 3265172400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6320, 7900, 15800, 31600, 72109, 144218, 288436, 360545, 576872, 721090, 1153744, 1442180, 1802725, 2884360, 3605450, 5696611, 5768720, 7210900, 11393222, 14421800, 22786444, 28483055, 28843600, 45572888, 56966110, 91145776, 113932220, 142415275, 227864440, 284830550, 455728880, 569661100, 1139322200, 2278644400]

約数ペア:

[(1, 2278644400), (2, 1139322200), (4, 569661100), (5, 455728880), (8, 284830550), (10, 227864440), (16, 142415275), (20, 113932220), (25, 91145776), (40, 56966110), (50, 45572888), (79, 28843600), (80, 28483055), (100, 22786444), (158, 14421800), (200, 11393222), (316, 7210900), (395, 5768720), (400, 5696611), (632, 3605450), (790, 2884360), (1264, 1802725), (1580, 1442180), (1975, 1153744), (3160, 721090), (3950, 576872), (6320, 360545), (7900, 288436), (15800, 144218), (31600, 72109)]