356786420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1\times {\mathrm{997}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 777122640

約数和(自身を除く): 420336220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 617, 997, 1234, 1994, 2468, 3085, 3988, 4985, 6170, 9970, 12340, 17893, 19940, 28913, 35786, 57826, 71572, 89465, 115652, 144565, 178930, 289130, 357860, 578260, 615149, 1230298, 2460596, 3075745, 6151490, 12302980, 17839321, 35678642, 71357284, 89196605, 178393210, 356786420]

約数ペア:

[(1, 356786420), (2, 178393210), (4, 89196605), (5, 71357284), (10, 35678642), (20, 17839321), (29, 12302980), (58, 6151490), (116, 3075745), (145, 2460596), (290, 1230298), (580, 615149), (617, 578260), (997, 357860), (1234, 289130), (1994, 178930), (2468, 144565), (3085, 115652), (3988, 89465), (4985, 71572), (6170, 57826), (9970, 35786), (12340, 28913), (17893, 19940)]