91003480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 211479840

約数和(自身を除く): 120476360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 157, 172, 215, 314, 337, 344, 430, 628, 674, 785, 860, 1256, 1348, 1570, 1685, 1720, 2696, 3140, 3370, 6280, 6740, 6751, 13480, 13502, 14491, 27004, 28982, 33755, 52909, 54008, 57964, 67510, 72455, 105818, 115928, 135020, 144910, 211636, 264545, 270040, 289820, 423272, 529090, 579640, 1058180, 2116360, 2275087, 4550174, 9100348, 11375435, 18200696, 22750870, 45501740, 91003480]

約数ペア:

[(1, 91003480), (2, 45501740), (4, 22750870), (5, 18200696), (8, 11375435), (10, 9100348), (20, 4550174), (40, 2275087), (43, 2116360), (86, 1058180), (157, 579640), (172, 529090), (215, 423272), (314, 289820), (337, 270040), (344, 264545), (430, 211636), (628, 144910), (674, 135020), (785, 115928), (860, 105818), (1256, 72455), (1348, 67510), (1570, 57964), (1685, 54008), (1720, 52909), (2696, 33755), (3140, 28982), (3370, 27004), (6280, 14491), (6740, 13502), (6751, 13480)]