680237590

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1\times {\mathrm{1297}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 1236422880

約数和(自身を除く): 556185290

約数列:

[1, 2, 5, 10, 179, 293, 358, 586, 895, 1297, 1465, 1790, 2594, 2930, 6485, 12970, 52447, 104894, 232163, 262235, 380021, 464326, 524470, 760042, 1160815, 1900105, 2321630, 3800210, 68023759, 136047518, 340118795, 680237590]

約数ペア:

[(1, 680237590), (2, 340118795), (5, 136047518), (10, 68023759), (179, 3800210), (293, 2321630), (358, 1900105), (586, 1160815), (895, 760042), (1297, 524470), (1465, 464326), (1790, 380021), (2594, 262235), (2930, 232163), (6485, 104894), (12970, 52447)]