243588020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{25321}}^1$

素因数の和:25380

約数の個数: 48

約数和(自身を含む): 565794768

約数和(自身を除く): 322206748

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, 25321, 50642, 101284, 126605, 253210, 329173, 506420, 658346, 936877, 1316692, 1645865, 1873754, 3291730, 3747508, 4684385, 6583460, 9368770, 12179401, 18737540, 24358802, 48717604, 60897005, 121794010, 243588020]

約数ペア:

[(1, 243588020), (2, 121794010), (4, 60897005), (5, 48717604), (10, 24358802), (13, 18737540), (20, 12179401), (26, 9368770), (37, 6583460), (52, 4684385), (65, 3747508), (74, 3291730), (130, 1873754), (148, 1645865), (185, 1316692), (260, 936877), (370, 658346), (481, 506420), (740, 329173), (962, 253210), (1924, 126605), (2405, 101284), (4810, 50642), (9620, 25321)]