122646520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{161377}}^1$

素因数の和:161407

約数の個数: 32

約数和(自身を含む): 290480400

約数和(自身を除く): 167833880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 161377, 322754, 645508, 806885, 1291016, 1613770, 3066163, 3227540, 6132326, 6455080, 12264652, 15330815, 24529304, 30661630, 61323260, 122646520]

約数ペア:

[(1, 122646520), (2, 61323260), (4, 30661630), (5, 24529304), (8, 15330815), (10, 12264652), (19, 6455080), (20, 6132326), (38, 3227540), (40, 3066163), (76, 1613770), (95, 1291016), (152, 806885), (190, 645508), (380, 322754), (760, 161377)]