397157060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{4217}}^1$

素因数の和:4520

約数の個数: 48

約数和(自身を含む): 886488624

約数和(自身を除く): 489331564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 1108, 1385, 2770, 4217, 4709, 5540, 8434, 9418, 16868, 18836, 21085, 23545, 42170, 47090, 71689, 84340, 94180, 143378, 286756, 358445, 716890, 1168109, 1433780, 2336218, 4672436, 5840545, 11681090, 19857853, 23362180, 39715706, 79431412, 99289265, 198578530, 397157060]

約数ペア:

[(1, 397157060), (2, 198578530), (4, 99289265), (5, 79431412), (10, 39715706), (17, 23362180), (20, 19857853), (34, 11681090), (68, 5840545), (85, 4672436), (170, 2336218), (277, 1433780), (340, 1168109), (554, 716890), (1108, 358445), (1385, 286756), (2770, 143378), (4217, 94180), (4709, 84340), (5540, 71689), (8434, 47090), (9418, 42170), (16868, 23545), (18836, 21085)]