87913480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 204871680

約数和(自身を除く): 116958200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 191, 296, 311, 370, 382, 622, 740, 764, 955, 1244, 1480, 1528, 1555, 1910, 2488, 3110, 3820, 6220, 7067, 7640, 11507, 12440, 14134, 23014, 28268, 35335, 46028, 56536, 57535, 59401, 70670, 92056, 115070, 118802, 141340, 230140, 237604, 282680, 297005, 460280, 475208, 594010, 1188020, 2197837, 2376040, 4395674, 8791348, 10989185, 17582696, 21978370, 43956740, 87913480]

約数ペア:

[(1, 87913480), (2, 43956740), (4, 21978370), (5, 17582696), (8, 10989185), (10, 8791348), (20, 4395674), (37, 2376040), (40, 2197837), (74, 1188020), (148, 594010), (185, 475208), (191, 460280), (296, 297005), (311, 282680), (370, 237604), (382, 230140), (622, 141340), (740, 118802), (764, 115070), (955, 92056), (1244, 70670), (1480, 59401), (1528, 57535), (1555, 56536), (1910, 46028), (2488, 35335), (3110, 28268), (3820, 23014), (6220, 14134), (7067, 12440), (7640, 11507)]