256431390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{8803}}^1$

素因数の和:9784

約数の個数: 32

約数和(自身を含む): 616139136

約数和(自身を除く): 359707746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 971, 1942, 2913, 4855, 5826, 8803, 9710, 14565, 17606, 26409, 29130, 44015, 52818, 88030, 132045, 264090, 8547713, 17095426, 25643139, 42738565, 51286278, 85477130, 128215695, 256431390]

約数ペア:

[(1, 256431390), (2, 128215695), (3, 85477130), (5, 51286278), (6, 42738565), (10, 25643139), (15, 17095426), (30, 8547713), (971, 264090), (1942, 132045), (2913, 88030), (4855, 52818), (5826, 44015), (8803, 29130), (9710, 26409), (14565, 17606)]