838924640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73849}}^1$

素因数の和:73935

約数の個数: 48

約数和(自身を含む): 2009901600

約数和(自身を除く): 1170976960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 73849, 147698, 295396, 369245, 590792, 738490, 1181584, 1476980, 2363168, 2953960, 5243279, 5907920, 10486558, 11815840, 20973116, 26216395, 41946232, 52432790, 83892464, 104865580, 167784928, 209731160, 419462320, 838924640]

約数ペア:

[(1, 838924640), (2, 419462320), (4, 209731160), (5, 167784928), (8, 104865580), (10, 83892464), (16, 52432790), (20, 41946232), (32, 26216395), (40, 20973116), (71, 11815840), (80, 10486558), (142, 5907920), (160, 5243279), (284, 2953960), (355, 2363168), (568, 1476980), (710, 1181584), (1136, 738490), (1420, 590792), (2272, 369245), (2840, 295396), (5680, 147698), (11360, 73849)]