31521380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7541}}^1$

素因数の和:7580

約数の個数: 48

約数和(自身を含む): 76023360

約数和(自身を除く): 44501980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7541, 15082, 30164, 37705, 75410, 82951, 143279, 150820, 165902, 286558, 331804, 414755, 573116, 716395, 829510, 1432790, 1576069, 1659020, 2865580, 3152138, 6304276, 7880345, 15760690, 31521380]

約数ペア:

[(1, 31521380), (2, 15760690), (4, 7880345), (5, 6304276), (10, 3152138), (11, 2865580), (19, 1659020), (20, 1576069), (22, 1432790), (38, 829510), (44, 716395), (55, 573116), (76, 414755), (95, 331804), (110, 286558), (190, 165902), (209, 150820), (220, 143279), (380, 82951), (418, 75410), (836, 37705), (1045, 30164), (2090, 15082), (4180, 7541)]