171930280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{42557}}^1$

素因数の和:42669

約数の個数: 32

約数和(自身を含む): 390682440

約数和(自身を除く): 218752160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 42557, 85114, 170228, 212785, 340456, 425570, 851140, 1702280, 4298257, 8596514, 17193028, 21491285, 34386056, 42982570, 85965140, 171930280]

約数ペア:

[(1, 171930280), (2, 85965140), (4, 42982570), (5, 34386056), (8, 21491285), (10, 17193028), (20, 8596514), (40, 4298257), (101, 1702280), (202, 851140), (404, 425570), (505, 340456), (808, 212785), (1010, 170228), (2020, 85114), (4040, 42557)]