204558340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29819}}^1$

素因数の和:29849

約数の個数: 48

約数和(自身を含む): 500976000

約数和(自身を除く): 296417660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29819, 59638, 119276, 149095, 208733, 298190, 417466, 596380, 834932, 1043665, 1461131, 2087330, 2922262, 4174660, 5844524, 7305655, 10227917, 14611310, 20455834, 29222620, 40911668, 51139585, 102279170, 204558340]

約数ペア:

[(1, 204558340), (2, 102279170), (4, 51139585), (5, 40911668), (7, 29222620), (10, 20455834), (14, 14611310), (20, 10227917), (28, 7305655), (35, 5844524), (49, 4174660), (70, 2922262), (98, 2087330), (140, 1461131), (196, 1043665), (245, 834932), (343, 596380), (490, 417466), (686, 298190), (980, 208733), (1372, 149095), (1715, 119276), (3430, 59638), (6860, 29819)]