259850990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{119747}}^1$

素因数の和:119792

約数の個数: 32

約数和(自身を含む): 551798784

約数和(自身を除く): 291947794

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 119747, 239494, 598735, 838229, 1197470, 1676458, 3712157, 4191145, 7424314, 8382290, 18560785, 25985099, 37121570, 51970198, 129925495, 259850990]

約数ペア:

[(1, 259850990), (2, 129925495), (5, 51970198), (7, 37121570), (10, 25985099), (14, 18560785), (31, 8382290), (35, 7424314), (62, 4191145), (70, 3712157), (155, 1676458), (217, 1197470), (310, 838229), (434, 598735), (1085, 239494), (2170, 119747)]