280109255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 366405120

約数和(自身を除く): 86295865

約数列:

[1, 5, 17, 61, 85, 89, 305, 445, 607, 1037, 1513, 3035, 5185, 5429, 7565, 10319, 27145, 37027, 51595, 54023, 92293, 185135, 270115, 461465, 629459, 918391, 3147295, 3295403, 4591955, 16477015, 56021851, 280109255]

約数ペア:

[(1, 280109255), (5, 56021851), (17, 16477015), (61, 4591955), (85, 3295403), (89, 3147295), (305, 918391), (445, 629459), (607, 461465), (1037, 270115), (1513, 185135), (3035, 92293), (5185, 54023), (5429, 51595), (7565, 37027), (10319, 27145)]