400896550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{4327}}^1$

素因数の和:4465

約数の個数: 48

約数和(自身を含む): 796957920

約数和(自身を除く): 396061370

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 109, 170, 218, 425, 545, 850, 1090, 1853, 2725, 3706, 4327, 5450, 8654, 9265, 18530, 21635, 43270, 46325, 73559, 92650, 108175, 147118, 216350, 367795, 471643, 735590, 943286, 1838975, 2358215, 3677950, 4716430, 8017931, 11791075, 16035862, 23582150, 40089655, 80179310, 200448275, 400896550]

約数ペア:

[(1, 400896550), (2, 200448275), (5, 80179310), (10, 40089655), (17, 23582150), (25, 16035862), (34, 11791075), (50, 8017931), (85, 4716430), (109, 3677950), (170, 2358215), (218, 1838975), (425, 943286), (545, 735590), (850, 471643), (1090, 367795), (1853, 216350), (2725, 147118), (3706, 108175), (4327, 92650), (5450, 73559), (8654, 46325), (9265, 43270), (18530, 21635)]