2807890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 5443200

約数和(自身を除く): 2635310

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 199, 398, 415, 830, 995, 1411, 1990, 2822, 3383, 6766, 7055, 14110, 16517, 16915, 33034, 33830, 82585, 165170, 280789, 561578, 1403945, 2807890]

約数ペア:

[(1, 2807890), (2, 1403945), (5, 561578), (10, 280789), (17, 165170), (34, 82585), (83, 33830), (85, 33034), (166, 16915), (170, 16517), (199, 14110), (398, 7055), (415, 6766), (830, 3383), (995, 2822), (1411, 1990)]