157631420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 354521664

約数和(自身を除く): 196890244

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 317, 460, 470, 529, 634, 940, 1058, 1081, 1268, 1585, 2116, 2162, 2645, 3170, 4324, 5290, 5405, 6340, 7291, 10580, 10810, 14582, 14899, 21620, 24863, 29164, 29798, 36455, 49726, 59596, 72910, 74495, 99452, 124315, 145820, 148990, 167693, 248630, 297980, 335386, 342677, 497260, 670772, 685354, 838465, 1370708, 1676930, 1713385, 3353860, 3426770, 6853540, 7881571, 15763142, 31526284, 39407855, 78815710, 157631420]

約数ペア:

[(1, 157631420), (2, 78815710), (4, 39407855), (5, 31526284), (10, 15763142), (20, 7881571), (23, 6853540), (46, 3426770), (47, 3353860), (92, 1713385), (94, 1676930), (115, 1370708), (188, 838465), (230, 685354), (235, 670772), (317, 497260), (460, 342677), (470, 335386), (529, 297980), (634, 248630), (940, 167693), (1058, 148990), (1081, 145820), (1268, 124315), (1585, 99452), (2116, 74495), (2162, 72910), (2645, 59596), (3170, 49726), (4324, 36455), (5290, 29798), (5405, 29164), (6340, 24863), (7291, 21620), (10580, 14899), (10810, 14582)]