142805375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 186001920

約数和(自身を除く): 43196545

約数列:

[1, 5, 25, 31, 125, 137, 155, 269, 685, 775, 1345, 3425, 3875, 4247, 6725, 8339, 17125, 21235, 33625, 36853, 41695, 106175, 184265, 208475, 530875, 921325, 1042375, 1142443, 4606625, 5712215, 28561075, 142805375]

約数ペア:

[(1, 142805375), (5, 28561075), (25, 5712215), (31, 4606625), (125, 1142443), (137, 1042375), (155, 921325), (269, 530875), (685, 208475), (775, 184265), (1345, 106175), (3425, 41695), (3875, 36853), (4247, 33625), (6725, 21235), (8339, 17125)]