215740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 548352

約数和(自身を除く): 332612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 67, 70, 92, 115, 134, 140, 161, 230, 268, 322, 335, 460, 469, 644, 670, 805, 938, 1340, 1541, 1610, 1876, 2345, 3082, 3220, 4690, 6164, 7705, 9380, 10787, 15410, 21574, 30820, 43148, 53935, 107870, 215740]

約数ペア:

[(1, 215740), (2, 107870), (4, 53935), (5, 43148), (7, 30820), (10, 21574), (14, 15410), (20, 10787), (23, 9380), (28, 7705), (35, 6164), (46, 4690), (67, 3220), (70, 3082), (92, 2345), (115, 1876), (134, 1610), (140, 1541), (161, 1340), (230, 938), (268, 805), (322, 670), (335, 644), (460, 469)]