145617220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{21227}}^1$

素因数の和:21257

約数の個数: 48

約数和(自身を含む): 356630400

約数和(自身を除く): 211013180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 21227, 42454, 84908, 106135, 148589, 212270, 297178, 424540, 594356, 742945, 1040123, 1485890, 2080246, 2971780, 4160492, 5200615, 7280861, 10401230, 14561722, 20802460, 29123444, 36404305, 72808610, 145617220]

約数ペア:

[(1, 145617220), (2, 72808610), (4, 36404305), (5, 29123444), (7, 20802460), (10, 14561722), (14, 10401230), (20, 7280861), (28, 5200615), (35, 4160492), (49, 2971780), (70, 2080246), (98, 1485890), (140, 1040123), (196, 742945), (245, 594356), (343, 424540), (490, 297178), (686, 212270), (980, 148589), (1372, 106135), (1715, 84908), (3430, 42454), (6860, 21227)]