388615960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{117053}}^1$

素因数の和:117147

約数の個数: 32

約数和(自身を含む): 884928240

約数和(自身を除く): 496312280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 117053, 234106, 468212, 585265, 936424, 1170530, 2341060, 4682120, 9715399, 19430798, 38861596, 48576995, 77723192, 97153990, 194307980, 388615960]

約数ペア:

[(1, 388615960), (2, 194307980), (4, 97153990), (5, 77723192), (8, 48576995), (10, 38861596), (20, 19430798), (40, 9715399), (83, 4682120), (166, 2341060), (332, 1170530), (415, 936424), (664, 585265), (830, 468212), (1660, 234106), (3320, 117053)]