202901620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 438354000

約数和(自身を除く): 235452380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 349, 410, 698, 709, 820, 1396, 1418, 1745, 2836, 3490, 3545, 6980, 7090, 14180, 14309, 28618, 29069, 57236, 58138, 71545, 116276, 143090, 145345, 247441, 286180, 290690, 494882, 581380, 989764, 1237205, 2474410, 4948820, 10145081, 20290162, 40580324, 50725405, 101450810, 202901620]

約数ペア:

[(1, 202901620), (2, 101450810), (4, 50725405), (5, 40580324), (10, 20290162), (20, 10145081), (41, 4948820), (82, 2474410), (164, 1237205), (205, 989764), (349, 581380), (410, 494882), (698, 290690), (709, 286180), (820, 247441), (1396, 145345), (1418, 143090), (1745, 116276), (2836, 71545), (3490, 58138), (3545, 57236), (6980, 29069), (7090, 28618), (14180, 14309)]