399618807988

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{2459}}^1\times {\mathrm{5749}}^1$

素因数の和:8440

約数の個数: 48

約数和(自身を含む): 722413440000

約数和(自身を除く): 322794632012

約数列:

[1, 2, 4, 37, 74, 148, 191, 382, 764, 2459, 4918, 5749, 7067, 9836, 11498, 14134, 22996, 28268, 90983, 181966, 212713, 363932, 425426, 469669, 850852, 939338, 1098059, 1878676, 2196118, 4392236, 14136791, 17377753, 28273582, 34755506, 40628183, 56547164, 69511012, 81256366, 162512732, 523061267, 1046122534, 2092245068, 2700127081, 5400254162, 10800508324, 99904701997, 199809403994, 399618807988]

約数ペア:

[(1, 399618807988), (2, 199809403994), (4, 99904701997), (37, 10800508324), (74, 5400254162), (148, 2700127081), (191, 2092245068), (382, 1046122534), (764, 523061267), (2459, 162512732), (4918, 81256366), (5749, 69511012), (7067, 56547164), (9836, 40628183), (11498, 34755506), (14134, 28273582), (22996, 17377753), (28268, 14136791), (90983, 4392236), (181966, 2196118), (212713, 1878676), (363932, 1098059), (425426, 939338), (469669, 850852)]