72229940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1949}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 162162000

約数和(自身を除く): 89932060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 1949, 2180, 3706, 3898, 7412, 7796, 9265, 9745, 18530, 19490, 33133, 37060, 38980, 66266, 132532, 165665, 212441, 331330, 424882, 662660, 849764, 1062205, 2124410, 3611497, 4248820, 7222994, 14445988, 18057485, 36114970, 72229940]

約数ペア:

[(1, 72229940), (2, 36114970), (4, 18057485), (5, 14445988), (10, 7222994), (17, 4248820), (20, 3611497), (34, 2124410), (68, 1062205), (85, 849764), (109, 662660), (170, 424882), (218, 331330), (340, 212441), (436, 165665), (545, 132532), (1090, 66266), (1853, 38980), (1949, 37060), (2180, 33133), (3706, 19490), (3898, 18530), (7412, 9745), (7796, 9265)]