27657980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11621}}^1$

素因数の和:11654

約数の個数: 48

約数和(自身を含む): 70289856

約数和(自身を除く): 42631876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11621, 23242, 46484, 58105, 81347, 116210, 162694, 197557, 232420, 325388, 395114, 406735, 790228, 813470, 987785, 1382899, 1626940, 1975570, 2765798, 3951140, 5531596, 6914495, 13828990, 27657980]

約数ペア:

[(1, 27657980), (2, 13828990), (4, 6914495), (5, 5531596), (7, 3951140), (10, 2765798), (14, 1975570), (17, 1626940), (20, 1382899), (28, 987785), (34, 813470), (35, 790228), (68, 406735), (70, 395114), (85, 325388), (119, 232420), (140, 197557), (170, 162694), (238, 116210), (340, 81347), (476, 58105), (595, 46484), (1190, 23242), (2380, 11621)]