309857788775

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1\times {\mathrm{1579}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 390860400000

約数和(自身を除く): 81002611225

約数列:

[1, 5, 25, 139, 149, 379, 695, 745, 1579, 1895, 3475, 3725, 7895, 9475, 20711, 39475, 52681, 56471, 103555, 219481, 235271, 263405, 282355, 517775, 598441, 1097405, 1176355, 1317025, 1411775, 2992205, 5487025, 5881775, 7849469, 14961025, 32702669, 39247345, 83183299, 89167709, 163513345, 196236725, 415916495, 445838545, 817566725, 2079582475, 2229192725, 12394311551, 61971557755, 309857788775]

約数ペア:

[(1, 309857788775), (5, 61971557755), (25, 12394311551), (139, 2229192725), (149, 2079582475), (379, 817566725), (695, 445838545), (745, 415916495), (1579, 196236725), (1895, 163513345), (3475, 89167709), (3725, 83183299), (7895, 39247345), (9475, 32702669), (20711, 14961025), (39475, 7849469), (52681, 5881775), (56471, 5487025), (103555, 2992205), (219481, 1411775), (235271, 1317025), (263405, 1176355), (282355, 1097405), (517775, 598441)]