343710220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{16477}}^1$

素因数の和:16642

約数の個数: 48

約数和(自身を含む): 830491200

約数和(自身を除く): 486780980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 16477, 20860, 32954, 65908, 82385, 115339, 164770, 230678, 329540, 461356, 576695, 1153390, 2306780, 2455073, 4910146, 9820292, 12275365, 17185511, 24550730, 34371022, 49101460, 68742044, 85927555, 171855110, 343710220]

約数ペア:

[(1, 343710220), (2, 171855110), (4, 85927555), (5, 68742044), (7, 49101460), (10, 34371022), (14, 24550730), (20, 17185511), (28, 12275365), (35, 9820292), (70, 4910146), (140, 2455073), (149, 2306780), (298, 1153390), (596, 576695), (745, 461356), (1043, 329540), (1490, 230678), (2086, 164770), (2980, 115339), (4172, 82385), (5215, 65908), (10430, 32954), (16477, 20860)]