388637770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{5237}}^1$

素因数の和:5466

約数の個数: 32

約数和(自身を含む): 720706896

約数和(自身を除く): 332069126

約数列:

[1, 2, 5, 10, 41, 82, 181, 205, 362, 410, 905, 1810, 5237, 7421, 10474, 14842, 26185, 37105, 52370, 74210, 214717, 429434, 947897, 1073585, 1895794, 2147170, 4739485, 9478970, 38863777, 77727554, 194318885, 388637770]

約数ペア:

[(1, 388637770), (2, 194318885), (5, 77727554), (10, 38863777), (41, 9478970), (82, 4739485), (181, 2147170), (205, 1895794), (362, 1073585), (410, 947897), (905, 429434), (1810, 214717), (5237, 74210), (7421, 52370), (10474, 37105), (14842, 26185)]