231347920

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6869}}^1$

素因数の和:7303

約数の個数: 40

約数和(自身を含む): 539240040

約数和(自身を除く): 307892120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 6869, 8420, 13738, 16840, 27476, 33680, 34345, 54952, 68690, 109904, 137380, 274760, 549520, 2891849, 5783698, 11567396, 14459245, 23134792, 28918490, 46269584, 57836980, 115673960, 231347920]

約数ペア:

[(1, 231347920), (2, 115673960), (4, 57836980), (5, 46269584), (8, 28918490), (10, 23134792), (16, 14459245), (20, 11567396), (40, 5783698), (80, 2891849), (421, 549520), (842, 274760), (1684, 137380), (2105, 109904), (3368, 68690), (4210, 54952), (6736, 34345), (6869, 33680), (8420, 27476), (13738, 16840)]