168450340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 360823680

約数和(自身を除く): 192373340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 313, 355, 379, 626, 710, 758, 1252, 1420, 1516, 1565, 1895, 3130, 3790, 6260, 7580, 22223, 26909, 44446, 53818, 88892, 107636, 111115, 118627, 134545, 222230, 237254, 269090, 444460, 474508, 538180, 593135, 1186270, 2372540, 8422517, 16845034, 33690068, 42112585, 84225170, 168450340]

約数ペア:

[(1, 168450340), (2, 84225170), (4, 42112585), (5, 33690068), (10, 16845034), (20, 8422517), (71, 2372540), (142, 1186270), (284, 593135), (313, 538180), (355, 474508), (379, 444460), (626, 269090), (710, 237254), (758, 222230), (1252, 134545), (1420, 118627), (1516, 111115), (1565, 107636), (1895, 88892), (3130, 53818), (3790, 44446), (6260, 26909), (7580, 22223)]