138746140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2393}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 315318528

約数和(自身を除く): 176572388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2393, 2899, 4460, 4786, 5798, 9572, 11596, 11965, 14495, 23930, 28990, 31109, 47860, 57980, 62218, 124436, 155545, 311090, 533639, 622180, 1067278, 2134556, 2668195, 5336390, 6937307, 10672780, 13874614, 27749228, 34686535, 69373070, 138746140]

約数ペア:

[(1, 138746140), (2, 69373070), (4, 34686535), (5, 27749228), (10, 13874614), (13, 10672780), (20, 6937307), (26, 5336390), (52, 2668195), (65, 2134556), (130, 1067278), (223, 622180), (260, 533639), (446, 311090), (892, 155545), (1115, 124436), (2230, 62218), (2393, 57980), (2899, 47860), (4460, 31109), (4786, 28990), (5798, 23930), (9572, 14495), (11596, 11965)]