297788380

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{55351}}^1$

素因数の和:55629

約数の個数: 24

約数和(自身を含む): 627691680

約数和(自身を除く): 329903300

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 55351, 110702, 221404, 276755, 553510, 1107020, 14889419, 29778838, 59557676, 74447095, 148894190, 297788380]

約数ペア:

[(1, 297788380), (2, 148894190), (4, 74447095), (5, 59557676), (10, 29778838), (20, 14889419), (269, 1107020), (538, 553510), (1076, 276755), (1345, 221404), (2690, 110702), (5380, 55351)]