726857540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{28549}}^1$

素因数の和:28644

約数の個数: 48

約数和(自身を含む): 1630776000

約数和(自身を除く): 903918460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 12730, 25460, 28549, 57098, 114196, 142745, 285490, 542431, 570980, 1084862, 1912783, 2169724, 2712155, 3825566, 5424310, 7651132, 9563915, 10848620, 19127830, 36342877, 38255660, 72685754, 145371508, 181714385, 363428770, 726857540]

約数ペア:

[(1, 726857540), (2, 363428770), (4, 181714385), (5, 145371508), (10, 72685754), (19, 38255660), (20, 36342877), (38, 19127830), (67, 10848620), (76, 9563915), (95, 7651132), (134, 5424310), (190, 3825566), (268, 2712155), (335, 2169724), (380, 1912783), (670, 1084862), (1273, 570980), (1340, 542431), (2546, 285490), (5092, 142745), (6365, 114196), (12730, 57098), (25460, 28549)]