210322960

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{4261}}^1$

素因数の和:4891

約数の個数: 40

約数和(自身を含む): 489908376

約数和(自身を除く): 279585416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4261, 4936, 6170, 8522, 9872, 12340, 17044, 21305, 24680, 34088, 42610, 49360, 68176, 85220, 170440, 340880, 2629037, 5258074, 10516148, 13145185, 21032296, 26290370, 42064592, 52580740, 105161480, 210322960]

約数ペア:

[(1, 210322960), (2, 105161480), (4, 52580740), (5, 42064592), (8, 26290370), (10, 21032296), (16, 13145185), (20, 10516148), (40, 5258074), (80, 2629037), (617, 340880), (1234, 170440), (2468, 85220), (3085, 68176), (4261, 49360), (4936, 42610), (6170, 34088), (8522, 24680), (9872, 21305), (12340, 17044)]