187788280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{23831}}^1$

素因数の和:24039

約数の個数: 32

約数和(自身を含む): 424686240

約数和(自身を除く): 236897960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 23831, 47662, 95324, 119155, 190648, 238310, 476620, 953240, 4694707, 9389414, 18778828, 23473535, 37557656, 46947070, 93894140, 187788280]

約数ペア:

[(1, 187788280), (2, 93894140), (4, 46947070), (5, 37557656), (8, 23473535), (10, 18778828), (20, 9389414), (40, 4694707), (197, 953240), (394, 476620), (788, 238310), (985, 190648), (1576, 119155), (1970, 95324), (3940, 47662), (7880, 23831)]