31681810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 61276824

約数和(自身を除く): 29595014

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 113, 115, 226, 230, 265, 529, 530, 565, 1058, 1130, 1219, 2438, 2599, 2645, 5198, 5290, 5989, 6095, 11978, 12190, 12995, 25990, 28037, 29945, 56074, 59777, 59890, 119554, 137747, 140185, 275494, 280370, 298885, 597770, 688735, 1377470, 3168181, 6336362, 15840905, 31681810]

約数ペア:

[(1, 31681810), (2, 15840905), (5, 6336362), (10, 3168181), (23, 1377470), (46, 688735), (53, 597770), (106, 298885), (113, 280370), (115, 275494), (226, 140185), (230, 137747), (265, 119554), (529, 59890), (530, 59777), (565, 56074), (1058, 29945), (1130, 28037), (1219, 25990), (2438, 12995), (2599, 12190), (2645, 11978), (5198, 6095), (5290, 5989)]