249170480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239587}}^1$

素因数の和:239613

約数の個数: 40

約数和(自身を含む): 623887152

約数和(自身を除く): 374716672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 239587, 479174, 958348, 1197935, 1916696, 2395870, 3114631, 3833392, 4791740, 6229262, 9583480, 12458524, 15573155, 19166960, 24917048, 31146310, 49834096, 62292620, 124585240, 249170480]

約数ペア:

[(1, 249170480), (2, 124585240), (4, 62292620), (5, 49834096), (8, 31146310), (10, 24917048), (13, 19166960), (16, 15573155), (20, 12458524), (26, 9583480), (40, 6229262), (52, 4791740), (65, 3833392), (80, 3114631), (104, 2395870), (130, 1916696), (208, 1197935), (260, 958348), (520, 479174), (1040, 239587)]