200857990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2711}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 374906880

約数和(自身を除く): 174048890

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 478, 1195, 2390, 2711, 5422, 7409, 13555, 14818, 27110, 37045, 74090, 84041, 168082, 420205, 647929, 840410, 1295858, 3239645, 6479290, 20085799, 40171598, 100428995, 200857990]

約数ペア:

[(1, 200857990), (2, 100428995), (5, 40171598), (10, 20085799), (31, 6479290), (62, 3239645), (155, 1295858), (239, 840410), (310, 647929), (478, 420205), (1195, 168082), (2390, 84041), (2711, 74090), (5422, 37045), (7409, 27110), (13555, 14818)]