339712900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 760020800

約数和(自身を除く): 420307900

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 199, 215, 397, 398, 430, 794, 796, 860, 995, 1075, 1588, 1985, 1990, 2150, 3970, 3980, 4300, 4975, 7940, 8557, 9925, 9950, 17071, 17114, 19850, 19900, 34142, 34228, 39700, 42785, 68284, 79003, 85355, 85570, 158006, 170710, 171140, 213925, 316012, 341420, 395015, 426775, 427850, 790030, 853550, 855700, 1580060, 1707100, 1975075, 3397129, 3950150, 6794258, 7900300, 13588516, 16985645, 33971290, 67942580, 84928225, 169856450, 339712900]

約数ペア:

[(1, 339712900), (2, 169856450), (4, 84928225), (5, 67942580), (10, 33971290), (20, 16985645), (25, 13588516), (43, 7900300), (50, 6794258), (86, 3950150), (100, 3397129), (172, 1975075), (199, 1707100), (215, 1580060), (397, 855700), (398, 853550), (430, 790030), (794, 427850), (796, 426775), (860, 395015), (995, 341420), (1075, 316012), (1588, 213925), (1985, 171140), (1990, 170710), (2150, 158006), (3970, 85570), (3980, 85355), (4300, 79003), (4975, 68284), (7940, 42785), (8557, 39700), (9925, 34228), (9950, 34142), (17071, 19900), (17114, 19850)]