220199140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{32099}}^1$

素因数の和:32129

約数の個数: 48

約数和(自身を含む): 539280000

約数和(自身を除く): 319080860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 32099, 64198, 128396, 160495, 224693, 320990, 449386, 641980, 898772, 1123465, 1572851, 2246930, 3145702, 4493860, 6291404, 7864255, 11009957, 15728510, 22019914, 31457020, 44039828, 55049785, 110099570, 220199140]

約数ペア:

[(1, 220199140), (2, 110099570), (4, 55049785), (5, 44039828), (7, 31457020), (10, 22019914), (14, 15728510), (20, 11009957), (28, 7864255), (35, 6291404), (49, 4493860), (70, 3145702), (98, 2246930), (140, 1572851), (196, 1123465), (245, 898772), (343, 641980), (490, 449386), (686, 320990), (980, 224693), (1372, 160495), (1715, 128396), (3430, 64198), (6860, 32099)]