127378420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13241}}^1$

素因数の和:13300

約数の個数: 48

約数和(自身を含む): 295879248

約数和(自身を除く): 168500828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 13241, 26482, 52964, 66205, 132410, 172133, 264820, 344266, 489917, 688532, 860665, 979834, 1721330, 1959668, 2449585, 3442660, 4899170, 6368921, 9798340, 12737842, 25475684, 31844605, 63689210, 127378420]

約数ペア:

[(1, 127378420), (2, 63689210), (4, 31844605), (5, 25475684), (10, 12737842), (13, 9798340), (20, 6368921), (26, 4899170), (37, 3442660), (52, 2449585), (65, 1959668), (74, 1721330), (130, 979834), (148, 860665), (185, 688532), (260, 489917), (370, 344266), (481, 264820), (740, 172133), (962, 132410), (1924, 66205), (2405, 52964), (4810, 26482), (9620, 13241)]