11771140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 26535600

約数和(自身を除く): 14764460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 389, 445, 778, 890, 1513, 1556, 1780, 1945, 3026, 3890, 6052, 6613, 7565, 7780, 13226, 15130, 26452, 30260, 33065, 34621, 66130, 69242, 132260, 138484, 173105, 346210, 588557, 692420, 1177114, 2354228, 2942785, 5885570, 11771140]

約数ペア:

[(1, 11771140), (2, 5885570), (4, 2942785), (5, 2354228), (10, 1177114), (17, 692420), (20, 588557), (34, 346210), (68, 173105), (85, 138484), (89, 132260), (170, 69242), (178, 66130), (340, 34621), (356, 33065), (389, 30260), (445, 26452), (778, 15130), (890, 13226), (1513, 7780), (1556, 7565), (1780, 6613), (1945, 6052), (3026, 3890)]