321841870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 677684736

約数和(自身を除く): 355842866

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 163, 326, 335, 421, 469, 670, 815, 842, 938, 1141, 1630, 2105, 2282, 2345, 2947, 4210, 4690, 5705, 5894, 10921, 11410, 14735, 21842, 28207, 29470, 54605, 56414, 68623, 76447, 109210, 137246, 141035, 152894, 197449, 282070, 343115, 382235, 394898, 480361, 686230, 764470, 960722, 987245, 1974490, 2401805, 4597741, 4803610, 9195482, 22988705, 32184187, 45977410, 64368374, 160920935, 321841870]

約数ペア:

[(1, 321841870), (2, 160920935), (5, 64368374), (7, 45977410), (10, 32184187), (14, 22988705), (35, 9195482), (67, 4803610), (70, 4597741), (134, 2401805), (163, 1974490), (326, 987245), (335, 960722), (421, 764470), (469, 686230), (670, 480361), (815, 394898), (842, 382235), (938, 343115), (1141, 282070), (1630, 197449), (2105, 152894), (2282, 141035), (2345, 137246), (2947, 109210), (4210, 76447), (4690, 68623), (5705, 56414), (5894, 54605), (10921, 29470), (11410, 28207), (14735, 21842)]