78566210

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 144676800

約数和(自身を除く): 66110590

約数列:

[1, 2, 5, 10, 67, 134, 149, 298, 335, 670, 745, 787, 1490, 1574, 3935, 7870, 9983, 19966, 49915, 52729, 99830, 105458, 117263, 234526, 263645, 527290, 586315, 1172630, 7856621, 15713242, 39283105, 78566210]

約数ペア:

[(1, 78566210), (2, 39283105), (5, 15713242), (10, 7856621), (67, 1172630), (134, 586315), (149, 527290), (298, 263645), (335, 234526), (670, 117263), (745, 105458), (787, 99830), (1490, 52729), (1574, 49915), (3935, 19966), (7870, 9983)]