30749290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21503}}^1$

素因数の和:21534

約数の個数: 32

約数和(自身を含む): 65028096

約数和(自身を除く): 34278806

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21503, 43006, 107515, 215030, 236533, 279539, 473066, 559078, 1182665, 1397695, 2365330, 2795390, 3074929, 6149858, 15374645, 30749290]

約数ペア:

[(1, 30749290), (2, 15374645), (5, 6149858), (10, 3074929), (11, 2795390), (13, 2365330), (22, 1397695), (26, 1182665), (55, 559078), (65, 473066), (110, 279539), (130, 236533), (143, 215030), (286, 107515), (715, 43006), (1430, 21503)]