858304540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{4621}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 1858931424

約数和(自身を除く): 1000626884

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 251, 370, 502, 740, 1004, 1255, 2510, 4621, 5020, 9242, 9287, 18484, 18574, 23105, 37148, 46210, 46435, 92420, 92870, 170977, 185740, 341954, 683908, 854885, 1159871, 1709770, 2319742, 3419540, 4639484, 5799355, 11598710, 23197420, 42915227, 85830454, 171660908, 214576135, 429152270, 858304540]

約数ペア:

[(1, 858304540), (2, 429152270), (4, 214576135), (5, 171660908), (10, 85830454), (20, 42915227), (37, 23197420), (74, 11598710), (148, 5799355), (185, 4639484), (251, 3419540), (370, 2319742), (502, 1709770), (740, 1159871), (1004, 854885), (1255, 683908), (2510, 341954), (4621, 185740), (5020, 170977), (9242, 92870), (9287, 92420), (18484, 46435), (18574, 46210), (23105, 37148)]