957890220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{325813}}^1$

素因数の和:325839

約数の個数: 72

約数和(自身を含む): 3119994864

約数和(自身を除く): 2162104644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 325813, 651626, 977439, 1303252, 1629065, 1954878, 2280691, 3258130, 3909756, 4561382, 4887195, 6516260, 6842073, 9122764, 9774390, 11403455, 13684146, 15964837, 19548780, 22806910, 27368292, 31929674, 34210365, 45613820, 47894511, 63859348, 68420730, 79824185, 95789022, 136841460, 159648370, 191578044, 239472555, 319296740, 478945110, 957890220]

約数ペア:

[(1, 957890220), (2, 478945110), (3, 319296740), (4, 239472555), (5, 191578044), (6, 159648370), (7, 136841460), (10, 95789022), (12, 79824185), (14, 68420730), (15, 63859348), (20, 47894511), (21, 45613820), (28, 34210365), (30, 31929674), (35, 27368292), (42, 22806910), (49, 19548780), (60, 15964837), (70, 13684146), (84, 11403455), (98, 9774390), (105, 9122764), (140, 6842073), (147, 6516260), (196, 4887195), (210, 4561382), (245, 3909756), (294, 3258130), (420, 2280691), (490, 1954878), (588, 1629065), (735, 1303252), (980, 977439), (1470, 651626), (2940, 325813)]