280140370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{8237}}^1$

素因数の和:8442

約数の個数: 32

約数和(自身を含む): 533822400

約数和(自身を除く): 253682030

約数列:

[1, 2, 5, 10, 19, 38, 95, 179, 190, 358, 895, 1790, 3401, 6802, 8237, 16474, 17005, 34010, 41185, 82370, 156503, 313006, 782515, 1474423, 1565030, 2948846, 7372115, 14744230, 28014037, 56028074, 140070185, 280140370]

約数ペア:

[(1, 280140370), (2, 140070185), (5, 56028074), (10, 28014037), (19, 14744230), (38, 7372115), (95, 2948846), (179, 1565030), (190, 1474423), (358, 782515), (895, 313006), (1790, 156503), (3401, 82370), (6802, 41185), (8237, 34010), (16474, 17005)]