79725940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81353}}^1$

素因数の和:81376

約数の個数: 36

約数和(自身を含む): 194761476

約数和(自身を除く): 115035536

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81353, 162706, 325412, 406765, 569471, 813530, 1138942, 1627060, 2277884, 2847355, 3986297, 5694710, 7972594, 11389420, 15945188, 19931485, 39862970, 79725940]

約数ペア:

[(1, 79725940), (2, 39862970), (4, 19931485), (5, 15945188), (7, 11389420), (10, 7972594), (14, 5694710), (20, 3986297), (28, 2847355), (35, 2277884), (49, 1627060), (70, 1138942), (98, 813530), (140, 569471), (196, 406765), (245, 325412), (490, 162706), (980, 81353)]