164563420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31769}}^1$

素因数の和:31822

約数の個数: 48

約数和(自身を含む): 405639360

約数和(自身を除く): 241075940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 31769, 63538, 127076, 158845, 222383, 317690, 444766, 635380, 889532, 1111915, 1175453, 2223830, 2350906, 4447660, 4701812, 5877265, 8228171, 11754530, 16456342, 23509060, 32912684, 41140855, 82281710, 164563420]

約数ペア:

[(1, 164563420), (2, 82281710), (4, 41140855), (5, 32912684), (7, 23509060), (10, 16456342), (14, 11754530), (20, 8228171), (28, 5877265), (35, 4701812), (37, 4447660), (70, 2350906), (74, 2223830), (140, 1175453), (148, 1111915), (185, 889532), (259, 635380), (370, 444766), (518, 317690), (740, 222383), (1036, 158845), (1295, 127076), (2590, 63538), (5180, 31769)]