72811870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{673}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 135878400

約数和(自身を除く): 63066530

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 349, 673, 698, 1346, 1745, 3365, 3490, 6730, 10819, 20863, 21638, 41726, 54095, 104315, 108190, 208630, 234877, 469754, 1174385, 2348770, 7281187, 14562374, 36405935, 72811870]

約数ペア:

[(1, 72811870), (2, 36405935), (5, 14562374), (10, 7281187), (31, 2348770), (62, 1174385), (155, 469754), (310, 234877), (349, 208630), (673, 108190), (698, 104315), (1346, 54095), (1745, 41726), (3365, 21638), (3490, 20863), (6730, 10819)]