2078502580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{192811}}^1$

素因数の和:192845

約数の個数: 72

約数和(自身を含む): 5539103136

約数和(自身を除く): 3460600556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 192811, 385622, 771244, 964055, 1349677, 1928110, 2120921, 2699354, 3856220, 4241842, 5398708, 6748385, 8483684, 9447739, 10604605, 13496770, 14846447, 18895478, 21209210, 26993540, 29692894, 37790956, 42418420, 47238695, 59385788, 74232235, 94477390, 103925129, 148464470, 188954780, 207850258, 296928940, 415700516, 519625645, 1039251290, 2078502580]

約数ペア:

[(1, 2078502580), (2, 1039251290), (4, 519625645), (5, 415700516), (7, 296928940), (10, 207850258), (11, 188954780), (14, 148464470), (20, 103925129), (22, 94477390), (28, 74232235), (35, 59385788), (44, 47238695), (49, 42418420), (55, 37790956), (70, 29692894), (77, 26993540), (98, 21209210), (110, 18895478), (140, 14846447), (154, 13496770), (196, 10604605), (220, 9447739), (245, 8483684), (308, 6748385), (385, 5398708), (490, 4241842), (539, 3856220), (770, 2699354), (980, 2120921), (1078, 1928110), (1540, 1349677), (2156, 964055), (2695, 771244), (5390, 385622), (10780, 192811)]