149745860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{40039}}^1$

素因数の和:40076

約数の個数: 48

約数和(自身を含む): 363242880

約数和(自身を除く): 213497020

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 40039, 80078, 160156, 200195, 400390, 440429, 680663, 800780, 880858, 1361326, 1761716, 2202145, 2722652, 3403315, 4404290, 6806630, 7487293, 8808580, 13613260, 14974586, 29949172, 37436465, 74872930, 149745860]

約数ペア:

[(1, 149745860), (2, 74872930), (4, 37436465), (5, 29949172), (10, 14974586), (11, 13613260), (17, 8808580), (20, 7487293), (22, 6806630), (34, 4404290), (44, 3403315), (55, 2722652), (68, 2202145), (85, 1761716), (110, 1361326), (170, 880858), (187, 800780), (220, 680663), (340, 440429), (374, 400390), (748, 200195), (935, 160156), (1870, 80078), (3740, 40039)]