202808540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{2129}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 465907680

約数和(自身を除く): 263099140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 433, 866, 1732, 2129, 2165, 4258, 4330, 4763, 8516, 8660, 9526, 10645, 19052, 21290, 23419, 23815, 42580, 46838, 47630, 93676, 95260, 117095, 234190, 468380, 921857, 1843714, 3687428, 4609285, 9218570, 10140427, 18437140, 20280854, 40561708, 50702135, 101404270, 202808540]

約数ペア:

[(1, 202808540), (2, 101404270), (4, 50702135), (5, 40561708), (10, 20280854), (11, 18437140), (20, 10140427), (22, 9218570), (44, 4609285), (55, 3687428), (110, 1843714), (220, 921857), (433, 468380), (866, 234190), (1732, 117095), (2129, 95260), (2165, 93676), (4258, 47630), (4330, 46838), (4763, 42580), (8516, 23815), (8660, 23419), (9526, 21290), (10645, 19052)]