179390780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1033}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 397800480

約数和(自身を除く): 218409700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 914, 1033, 1828, 2066, 2285, 4132, 4570, 5165, 8683, 9140, 10330, 17366, 19627, 20660, 34732, 39254, 43415, 78508, 86830, 98135, 173660, 196270, 392540, 472081, 944162, 1888324, 2360405, 4720810, 8969539, 9441620, 17939078, 35878156, 44847695, 89695390, 179390780]

約数ペア:

[(1, 179390780), (2, 89695390), (4, 44847695), (5, 35878156), (10, 17939078), (19, 9441620), (20, 8969539), (38, 4720810), (76, 2360405), (95, 1888324), (190, 944162), (380, 472081), (457, 392540), (914, 196270), (1033, 173660), (1828, 98135), (2066, 86830), (2285, 78508), (4132, 43415), (4570, 39254), (5165, 34732), (8683, 20660), (9140, 19627), (10330, 17366)]