69946820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 151584048

約数和(自身を除く): 81637228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 394, 410, 433, 788, 820, 866, 985, 1732, 1970, 2165, 3940, 4330, 8077, 8660, 16154, 17753, 32308, 35506, 40385, 71012, 80770, 85301, 88765, 161540, 170602, 177530, 341204, 355060, 426505, 853010, 1706020, 3497341, 6994682, 13989364, 17486705, 34973410, 69946820]

約数ペア:

[(1, 69946820), (2, 34973410), (4, 17486705), (5, 13989364), (10, 6994682), (20, 3497341), (41, 1706020), (82, 853010), (164, 426505), (197, 355060), (205, 341204), (394, 177530), (410, 170602), (433, 161540), (788, 88765), (820, 85301), (866, 80770), (985, 71012), (1732, 40385), (1970, 35506), (2165, 32308), (3940, 17753), (4330, 16154), (8077, 8660)]