9187820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 20811168

約数和(自身を除く): 11623348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 443, 610, 886, 1037, 1220, 1772, 2074, 2215, 4148, 4430, 5185, 7531, 8860, 10370, 15062, 20740, 27023, 30124, 37655, 54046, 75310, 108092, 135115, 150620, 270230, 459391, 540460, 918782, 1837564, 2296955, 4593910, 9187820]

約数ペア:

[(1, 9187820), (2, 4593910), (4, 2296955), (5, 1837564), (10, 918782), (17, 540460), (20, 459391), (34, 270230), (61, 150620), (68, 135115), (85, 108092), (122, 75310), (170, 54046), (244, 37655), (305, 30124), (340, 27023), (443, 20740), (610, 15062), (886, 10370), (1037, 8860), (1220, 7531), (1772, 5185), (2074, 4430), (2215, 4148)]