213426620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51059}}^1$

素因数の和:51098

約数の個数: 48

約数和(自身を含む): 514684800

約数和(自身を除く): 301258180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 51059, 102118, 204236, 255295, 510590, 561649, 970121, 1021180, 1123298, 1940242, 2246596, 2808245, 3880484, 4850605, 5616490, 9701210, 10671331, 11232980, 19402420, 21342662, 42685324, 53356655, 106713310, 213426620]

約数ペア:

[(1, 213426620), (2, 106713310), (4, 53356655), (5, 42685324), (10, 21342662), (11, 19402420), (19, 11232980), (20, 10671331), (22, 9701210), (38, 5616490), (44, 4850605), (55, 3880484), (76, 2808245), (95, 2246596), (110, 1940242), (190, 1123298), (209, 1021180), (220, 970121), (380, 561649), (418, 510590), (836, 255295), (1045, 204236), (2090, 102118), (4180, 51059)]