779868820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{4027}}^1$

素因数の和:4480

約数の個数: 48

約数和(自身を含む): 1713414528

約数和(自身を除く): 933545708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 421, 460, 842, 1684, 2105, 4027, 4210, 8054, 8420, 9683, 16108, 19366, 20135, 38732, 40270, 48415, 80540, 92621, 96830, 185242, 193660, 370484, 463105, 926210, 1695367, 1852420, 3390734, 6781468, 8476835, 16953670, 33907340, 38993441, 77986882, 155973764, 194967205, 389934410, 779868820]

約数ペア:

[(1, 779868820), (2, 389934410), (4, 194967205), (5, 155973764), (10, 77986882), (20, 38993441), (23, 33907340), (46, 16953670), (92, 8476835), (115, 6781468), (230, 3390734), (421, 1852420), (460, 1695367), (842, 926210), (1684, 463105), (2105, 370484), (4027, 193660), (4210, 185242), (8054, 96830), (8420, 92621), (9683, 80540), (16108, 48415), (19366, 40270), (20135, 38732)]