280334075

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 425568000

約数和(自身を除く): 145233925

約数列:

[1, 5, 7, 19, 25, 35, 59, 95, 133, 175, 295, 413, 475, 665, 1121, 1429, 1475, 2065, 3325, 5605, 7145, 7847, 10003, 10325, 27151, 28025, 35725, 39235, 50015, 84311, 135755, 190057, 196175, 250075, 421555, 590177, 678775, 950285, 1601909, 2107775, 2950885, 4751425, 8009545, 11213363, 14754425, 40047725, 56066815, 280334075]

約数ペア:

[(1, 280334075), (5, 56066815), (7, 40047725), (19, 14754425), (25, 11213363), (35, 8009545), (59, 4751425), (95, 2950885), (133, 2107775), (175, 1601909), (295, 950285), (413, 678775), (475, 590177), (665, 421555), (1121, 250075), (1429, 196175), (1475, 190057), (2065, 135755), (3325, 84311), (5605, 50015), (7145, 39235), (7847, 35725), (10003, 28025), (10325, 27151)]