2220407825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 2970774144

約数和(自身を除く): 750366319

約数列:

[1, 5, 17, 25, 85, 107, 157, 311, 425, 535, 785, 1555, 1819, 2669, 2675, 3925, 5287, 7775, 9095, 13345, 16799, 26435, 33277, 45475, 48827, 66725, 83995, 132175, 166385, 244135, 285583, 419975, 565709, 830059, 831925, 1220675, 1427915, 2828545, 4150295, 5224489, 7139575, 14142725, 20751475, 26122445, 88816313, 130612225, 444081565, 2220407825]

約数ペア:

[(1, 2220407825), (5, 444081565), (17, 130612225), (25, 88816313), (85, 26122445), (107, 20751475), (157, 14142725), (311, 7139575), (425, 5224489), (535, 4150295), (785, 2828545), (1555, 1427915), (1819, 1220675), (2669, 831925), (2675, 830059), (3925, 565709), (5287, 419975), (7775, 285583), (9095, 244135), (13345, 166385), (16799, 132175), (26435, 83995), (33277, 66725), (45475, 48827)]