425803180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{31729}}^1$

素因数の和:31810

約数の個数: 48

約数和(自身を含む): 991499040

約数和(自身を除く): 565695860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 31729, 63458, 126916, 158645, 317290, 349019, 634580, 698038, 1396076, 1745095, 1935469, 3490190, 3870938, 6980380, 7741876, 9677345, 19354690, 21290159, 38709380, 42580318, 85160636, 106450795, 212901590, 425803180]

約数ペア:

[(1, 425803180), (2, 212901590), (4, 106450795), (5, 85160636), (10, 42580318), (11, 38709380), (20, 21290159), (22, 19354690), (44, 9677345), (55, 7741876), (61, 6980380), (110, 3870938), (122, 3490190), (220, 1935469), (244, 1745095), (305, 1396076), (610, 698038), (671, 634580), (1220, 349019), (1342, 317290), (2684, 158645), (3355, 126916), (6710, 63458), (13420, 31729)]