30090280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6217}}^1$

素因数の和:6250

約数の個数: 48

約数和(自身を含む): 74429460

約数和(自身を除く): 44339180

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 6217, 12434, 24868, 31085, 49736, 62170, 68387, 124340, 136774, 248680, 273548, 341935, 547096, 683870, 752257, 1367740, 1504514, 2735480, 3009028, 3761285, 6018056, 7522570, 15045140, 30090280]

約数ペア:

[(1, 30090280), (2, 15045140), (4, 7522570), (5, 6018056), (8, 3761285), (10, 3009028), (11, 2735480), (20, 1504514), (22, 1367740), (40, 752257), (44, 683870), (55, 547096), (88, 341935), (110, 273548), (121, 248680), (220, 136774), (242, 124340), (440, 68387), (484, 62170), (605, 49736), (968, 31085), (1210, 24868), (2420, 12434), (4840, 6217)]