2905100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 7291200

約数和(自身を除く): 4386100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 139, 190, 209, 220, 275, 278, 380, 418, 475, 550, 556, 695, 836, 950, 1045, 1100, 1390, 1529, 1900, 2090, 2641, 2780, 3058, 3475, 4180, 5225, 5282, 6116, 6950, 7645, 10450, 10564, 13205, 13900, 15290, 20900, 26410, 29051, 30580, 38225, 52820, 58102, 66025, 76450, 116204, 132050, 145255, 152900, 264100, 290510, 581020, 726275, 1452550, 2905100]

約数ペア:

[(1, 2905100), (2, 1452550), (4, 726275), (5, 581020), (10, 290510), (11, 264100), (19, 152900), (20, 145255), (22, 132050), (25, 116204), (38, 76450), (44, 66025), (50, 58102), (55, 52820), (76, 38225), (95, 30580), (100, 29051), (110, 26410), (139, 20900), (190, 15290), (209, 13900), (220, 13205), (275, 10564), (278, 10450), (380, 7645), (418, 6950), (475, 6116), (550, 5282), (556, 5225), (695, 4180), (836, 3475), (950, 3058), (1045, 2780), (1100, 2641), (1390, 2090), (1529, 1900)]