22131025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 34176384

約数和(自身を除く): 12045359

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 173, 175, 215, 301, 425, 595, 731, 865, 1075, 1211, 1505, 2941, 2975, 3655, 4325, 5117, 6055, 7439, 7525, 14705, 18275, 20587, 25585, 30275, 37195, 52073, 73525, 102935, 126463, 127925, 185975, 260365, 514675, 632315, 885241, 1301825, 3161575, 4426205, 22131025]

約数ペア:

[(1, 22131025), (5, 4426205), (7, 3161575), (17, 1301825), (25, 885241), (35, 632315), (43, 514675), (85, 260365), (119, 185975), (173, 127925), (175, 126463), (215, 102935), (301, 73525), (425, 52073), (595, 37195), (731, 30275), (865, 25585), (1075, 20587), (1211, 18275), (1505, 14705), (2941, 7525), (2975, 7439), (3655, 6055), (4325, 5117)]