204869620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1\times {\mathrm{577}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 442502928

約数和(自身を除く): 237633308

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 433, 577, 820, 866, 1154, 1732, 2165, 2308, 2885, 4330, 5770, 8660, 11540, 17753, 23657, 35506, 47314, 71012, 88765, 94628, 118285, 177530, 236570, 249841, 355060, 473140, 499682, 999364, 1249205, 2498410, 4996820, 10243481, 20486962, 40973924, 51217405, 102434810, 204869620]

約数ペア:

[(1, 204869620), (2, 102434810), (4, 51217405), (5, 40973924), (10, 20486962), (20, 10243481), (41, 4996820), (82, 2498410), (164, 1249205), (205, 999364), (410, 499682), (433, 473140), (577, 355060), (820, 249841), (866, 236570), (1154, 177530), (1732, 118285), (2165, 94628), (2308, 88765), (2885, 71012), (4330, 47314), (5770, 35506), (8660, 23657), (11540, 17753)]