989690150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1433

約数の個数: 48

約数和(自身を含む): 1889276400

約数和(自身を除く): 899586250

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 569, 809, 1075, 1138, 1618, 2150, 2845, 4045, 5690, 8090, 14225, 20225, 24467, 28450, 34787, 40450, 48934, 69574, 122335, 173935, 244670, 347870, 460321, 611675, 869675, 920642, 1223350, 1739350, 2301605, 4603210, 11508025, 19793803, 23016050, 39587606, 98969015, 197938030, 494845075, 989690150]

約数ペア:

[(1, 989690150), (2, 494845075), (5, 197938030), (10, 98969015), (25, 39587606), (43, 23016050), (50, 19793803), (86, 11508025), (215, 4603210), (430, 2301605), (569, 1739350), (809, 1223350), (1075, 920642), (1138, 869675), (1618, 611675), (2150, 460321), (2845, 347870), (4045, 244670), (5690, 173935), (8090, 122335), (14225, 69574), (20225, 48934), (24467, 40450), (28450, 34787)]