129075140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 277820928

約数和(自身を除く): 148745788

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 263, 265, 463, 526, 530, 926, 1052, 1060, 1315, 1852, 2315, 2630, 4630, 5260, 9260, 13939, 24539, 27878, 49078, 55756, 69695, 98156, 121769, 122695, 139390, 243538, 245390, 278780, 487076, 490780, 608845, 1217690, 2435380, 6453757, 12907514, 25815028, 32268785, 64537570, 129075140]

約数ペア:

[(1, 129075140), (2, 64537570), (4, 32268785), (5, 25815028), (10, 12907514), (20, 6453757), (53, 2435380), (106, 1217690), (212, 608845), (263, 490780), (265, 487076), (463, 278780), (526, 245390), (530, 243538), (926, 139390), (1052, 122695), (1060, 121769), (1315, 98156), (1852, 69695), (2315, 55756), (2630, 49078), (4630, 27878), (5260, 24539), (9260, 13939)]