669867830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{19801}}^1$

素因数の和:20024

約数の個数: 32

約数和(自身を含む): 1283169600

約数和(自身を除く): 613301770

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 3383, 6766, 16915, 19801, 33830, 39602, 99005, 198010, 336617, 673234, 1683085, 3366170, 3940399, 7880798, 19701995, 39403990, 66986783, 133973566, 334933915, 669867830]

約数ペア:

[(1, 669867830), (2, 334933915), (5, 133973566), (10, 66986783), (17, 39403990), (34, 19701995), (85, 7880798), (170, 3940399), (199, 3366170), (398, 1683085), (995, 673234), (1990, 336617), (3383, 198010), (6766, 99005), (16915, 39602), (19801, 33830)]