399948990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1904519}}^1$

素因数の和:1904536

約数の個数: 32

約数和(自身を含む): 1097003520

約数和(自身を除く): 697054530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1904519, 3809038, 5713557, 9522595, 11427114, 13331633, 19045190, 26663266, 28567785, 39994899, 57135570, 66658165, 79989798, 133316330, 199974495, 399948990]

約数ペア:

[(1, 399948990), (2, 199974495), (3, 133316330), (5, 79989798), (6, 66658165), (7, 57135570), (10, 39994899), (14, 28567785), (15, 26663266), (21, 19045190), (30, 13331633), (35, 11427114), (42, 9522595), (70, 5713557), (105, 3809038), (210, 1904519)]