71345380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187751}}^1$

素因数の和:187779

約数の個数: 24

約数和(自身を含む): 157711680

約数和(自身を除く): 86366300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 187751, 375502, 751004, 938755, 1877510, 3567269, 3755020, 7134538, 14269076, 17836345, 35672690, 71345380]

約数ペア:

[(1, 71345380), (2, 35672690), (4, 17836345), (5, 14269076), (10, 7134538), (19, 3755020), (20, 3567269), (38, 1877510), (76, 938755), (95, 751004), (190, 375502), (380, 187751)]