287180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 613872

約数和(自身を除く): 326692

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 173, 332, 346, 415, 692, 830, 865, 1660, 1730, 3460, 14359, 28718, 57436, 71795, 143590, 287180]

約数ペア:

[(1, 287180), (2, 143590), (4, 71795), (5, 57436), (10, 28718), (20, 14359), (83, 3460), (166, 1730), (173, 1660), (332, 865), (346, 830), (415, 692)]