286856020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42061}}^1$

素因数の和:42112

約数の個数: 48

約数和(自身を含む): 678375936

約数和(自身を除く): 391519916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 42061, 84122, 168244, 210305, 420610, 462671, 841220, 925342, 1303891, 1850684, 2313355, 2607782, 4626710, 5215564, 6519455, 9253420, 13038910, 14342801, 26077820, 28685602, 57371204, 71714005, 143428010, 286856020]

約数ペア:

[(1, 286856020), (2, 143428010), (4, 71714005), (5, 57371204), (10, 28685602), (11, 26077820), (20, 14342801), (22, 13038910), (31, 9253420), (44, 6519455), (55, 5215564), (62, 4626710), (110, 2607782), (124, 2313355), (155, 1850684), (220, 1303891), (310, 925342), (341, 841220), (620, 462671), (682, 420610), (1364, 210305), (1705, 168244), (3410, 84122), (6820, 42061)]