742540780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{5683}}^1$

素因数の和:5878

約数の個数: 48

約数和(自身を含む): 1604252160

約数和(自身を除く): 861711380

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 695, 940, 1390, 2780, 5683, 6533, 11366, 13066, 22732, 26132, 28415, 32665, 56830, 65330, 113660, 130660, 267101, 534202, 789937, 1068404, 1335505, 1579874, 2671010, 3159748, 3949685, 5342020, 7899370, 15798740, 37127039, 74254078, 148508156, 185635195, 371270390, 742540780]

約数ペア:

[(1, 742540780), (2, 371270390), (4, 185635195), (5, 148508156), (10, 74254078), (20, 37127039), (47, 15798740), (94, 7899370), (139, 5342020), (188, 3949685), (235, 3159748), (278, 2671010), (470, 1579874), (556, 1335505), (695, 1068404), (940, 789937), (1390, 534202), (2780, 267101), (5683, 130660), (6533, 113660), (11366, 65330), (13066, 56830), (22732, 32665), (26132, 28415)]