205123980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{72739}}^1$

素因数の和:72798

約数の個数: 48

約数和(自身を含む): 586575360

約数和(自身を除く): 381451380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 72739, 145478, 218217, 290956, 363695, 436434, 727390, 872868, 1091085, 1454780, 2182170, 3418733, 4364340, 6837466, 10256199, 13674932, 17093665, 20512398, 34187330, 41024796, 51280995, 68374660, 102561990, 205123980]

約数ペア:

[(1, 205123980), (2, 102561990), (3, 68374660), (4, 51280995), (5, 41024796), (6, 34187330), (10, 20512398), (12, 17093665), (15, 13674932), (20, 10256199), (30, 6837466), (47, 4364340), (60, 3418733), (94, 2182170), (141, 1454780), (188, 1091085), (235, 872868), (282, 727390), (470, 436434), (564, 363695), (705, 290956), (940, 218217), (1410, 145478), (2820, 72739)]