2019584620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1\times {\mathrm{1609}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 4294140480

約数和(自身を除く): 2274555860

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 647, 970, 1294, 1609, 1940, 2588, 3218, 3235, 6436, 6470, 8045, 12940, 16090, 32180, 62759, 125518, 156073, 251036, 312146, 313795, 624292, 627590, 780365, 1041023, 1255180, 1560730, 2082046, 3121460, 4164092, 5205115, 10410230, 20820460, 100979231, 201958462, 403916924, 504896155, 1009792310, 2019584620]

約数ペア:

[(1, 2019584620), (2, 1009792310), (4, 504896155), (5, 403916924), (10, 201958462), (20, 100979231), (97, 20820460), (194, 10410230), (388, 5205115), (485, 4164092), (647, 3121460), (970, 2082046), (1294, 1560730), (1609, 1255180), (1940, 1041023), (2588, 780365), (3218, 627590), (3235, 624292), (6436, 313795), (6470, 312146), (8045, 251036), (12940, 156073), (16090, 125518), (32180, 62759)]