129480020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{4729}}^1$

素因数の和:4812

約数の個数: 36

約数和(自身を含む): 279514620

約数和(自身を除く): 150034600

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 4729, 5476, 6845, 9458, 13690, 18916, 23645, 27380, 47290, 94580, 174973, 349946, 699892, 874865, 1749730, 3499460, 6474001, 12948002, 25896004, 32370005, 64740010, 129480020]

約数ペア:

[(1, 129480020), (2, 64740010), (4, 32370005), (5, 25896004), (10, 12948002), (20, 6474001), (37, 3499460), (74, 1749730), (148, 874865), (185, 699892), (370, 349946), (740, 174973), (1369, 94580), (2738, 47290), (4729, 27380), (5476, 23645), (6845, 18916), (9458, 13690)]