87741620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3163}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 196674240

約数和(自身を除く): 108932620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 3163, 5548, 6326, 6935, 12652, 13870, 15815, 27740, 31630, 60097, 63260, 120194, 230899, 240388, 300485, 461798, 600970, 923596, 1154495, 1201940, 2308990, 4387081, 4617980, 8774162, 17548324, 21935405, 43870810, 87741620]

約数ペア:

[(1, 87741620), (2, 43870810), (4, 21935405), (5, 17548324), (10, 8774162), (19, 4617980), (20, 4387081), (38, 2308990), (73, 1201940), (76, 1154495), (95, 923596), (146, 600970), (190, 461798), (292, 300485), (365, 240388), (380, 230899), (730, 120194), (1387, 63260), (1460, 60097), (2774, 31630), (3163, 27740), (5548, 15815), (6326, 13870), (6935, 12652)]