155959825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 232128000

約数和(自身を除く): 76168175

約数列:

[1, 5, 7, 25, 29, 35, 79, 145, 175, 203, 389, 395, 553, 725, 1015, 1945, 1975, 2291, 2723, 2765, 5075, 9725, 11281, 11455, 13615, 13825, 16037, 30731, 56405, 57275, 68075, 78967, 80185, 153655, 215117, 282025, 394835, 400925, 768275, 891199, 1075585, 1974175, 4455995, 5377925, 6238393, 22279975, 31191965, 155959825]

約数ペア:

[(1, 155959825), (5, 31191965), (7, 22279975), (25, 6238393), (29, 5377925), (35, 4455995), (79, 1974175), (145, 1075585), (175, 891199), (203, 768275), (389, 400925), (395, 394835), (553, 282025), (725, 215117), (1015, 153655), (1945, 80185), (1975, 78967), (2291, 68075), (2723, 57275), (2765, 56405), (5075, 30731), (9725, 16037), (11281, 13825), (11455, 13615)]