149741660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 332186400

約数和(自身を除く): 182444740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 778, 1013, 1556, 1945, 2026, 3890, 4052, 5065, 7391, 7780, 10130, 14782, 19247, 20260, 29564, 36955, 38494, 73910, 76988, 96235, 147820, 192470, 384940, 394057, 788114, 1576228, 1970285, 3940570, 7487083, 7881140, 14974166, 29948332, 37435415, 74870830, 149741660]

約数ペア:

[(1, 149741660), (2, 74870830), (4, 37435415), (5, 29948332), (10, 14974166), (19, 7881140), (20, 7487083), (38, 3940570), (76, 1970285), (95, 1576228), (190, 788114), (380, 394057), (389, 384940), (778, 192470), (1013, 147820), (1556, 96235), (1945, 76988), (2026, 73910), (3890, 38494), (4052, 36955), (5065, 29564), (7391, 20260), (7780, 19247), (10130, 14782)]