90472180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 196035840

約数和(自身を除く): 105563660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 436, 470, 545, 883, 940, 1090, 1766, 2180, 3532, 4415, 5123, 8830, 10246, 17660, 20492, 25615, 41501, 51230, 83002, 96247, 102460, 166004, 192494, 207505, 384988, 415010, 481235, 830020, 962470, 1924940, 4523609, 9047218, 18094436, 22618045, 45236090, 90472180]

約数ペア:

[(1, 90472180), (2, 45236090), (4, 22618045), (5, 18094436), (10, 9047218), (20, 4523609), (47, 1924940), (94, 962470), (109, 830020), (188, 481235), (218, 415010), (235, 384988), (436, 207505), (470, 192494), (545, 166004), (883, 102460), (940, 96247), (1090, 83002), (1766, 51230), (2180, 41501), (3532, 25615), (4415, 20492), (5123, 17660), (8830, 10246)]