2019304940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{57269}}^1$

素因数の和:57362

約数の個数: 48

約数和(自身を含む): 4445068320

約数和(自身を除く): 2425763380

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 57269, 114538, 229076, 286345, 572690, 1145380, 2348029, 2462567, 4696058, 4925134, 9392116, 9850268, 11740145, 12312835, 23480290, 24625670, 46960580, 49251340, 100965247, 201930494, 403860988, 504826235, 1009652470, 2019304940]

約数ペア:

[(1, 2019304940), (2, 1009652470), (4, 504826235), (5, 403860988), (10, 201930494), (20, 100965247), (41, 49251340), (43, 46960580), (82, 24625670), (86, 23480290), (164, 12312835), (172, 11740145), (205, 9850268), (215, 9392116), (410, 4925134), (430, 4696058), (820, 2462567), (860, 2348029), (1763, 1145380), (3526, 572690), (7052, 286345), (8815, 229076), (17630, 114538), (35260, 57269)]