2189660987420

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{7817}}^1\times {\mathrm{35279}}^1$

素因数の和:43502

約数の個数: 48

約数和(自身を含む): 4610591072640

約数和(自身を除く): 2420930085220

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7817, 7940, 15634, 31268, 35279, 39085, 70558, 78170, 141116, 156340, 176395, 352790, 705580, 3103349, 6206698, 12413396, 14005763, 15516745, 28011526, 31033490, 56023052, 62066980, 70028815, 140057630, 275775943, 280115260, 551551886, 1103103772, 1378879715, 2757759430, 5515518860, 109483049371, 218966098742, 437932197484, 547415246855, 1094830493710, 2189660987420]

約数ペア:

[(1, 2189660987420), (2, 1094830493710), (4, 547415246855), (5, 437932197484), (10, 218966098742), (20, 109483049371), (397, 5515518860), (794, 2757759430), (1588, 1378879715), (1985, 1103103772), (3970, 551551886), (7817, 280115260), (7940, 275775943), (15634, 140057630), (31268, 70028815), (35279, 62066980), (39085, 56023052), (70558, 31033490), (78170, 28011526), (141116, 15516745), (156340, 14005763), (176395, 12413396), (352790, 6206698), (705580, 3103349)]