68840990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21313}}^1$

素因数の和:21356

約数の個数: 32

約数和(自身を含む): 138114720

約数和(自身を除く): 69273730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 21313, 42626, 106565, 213130, 362321, 404947, 724642, 809894, 1811605, 2024735, 3623210, 4049470, 6884099, 13768198, 34420495, 68840990]

約数ペア:

[(1, 68840990), (2, 34420495), (5, 13768198), (10, 6884099), (17, 4049470), (19, 3623210), (34, 2024735), (38, 1811605), (85, 809894), (95, 724642), (170, 404947), (190, 362321), (323, 213130), (646, 106565), (1615, 42626), (3230, 21313)]