205151750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{48271}}^1$

素因数の和:48305

約数の個数: 32

約数和(自身を含む): 406643328

約数和(自身を除く): 201491578

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 48271, 96542, 241355, 482710, 820607, 1206775, 1641214, 2413550, 4103035, 6033875, 8206070, 12067750, 20515175, 41030350, 102575875, 205151750]

約数ペア:

[(1, 205151750), (2, 102575875), (5, 41030350), (10, 20515175), (17, 12067750), (25, 8206070), (34, 6033875), (50, 4103035), (85, 2413550), (125, 1641214), (170, 1206775), (250, 820607), (425, 482710), (850, 241355), (2125, 96542), (4250, 48271)]