9289720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 23379840

約数和(自身を除く): 14090120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 491, 860, 946, 982, 1720, 1892, 1964, 2365, 2455, 3784, 3928, 4730, 4910, 5401, 9460, 9820, 10802, 18920, 19640, 21113, 21604, 27005, 42226, 43208, 54010, 84452, 105565, 108020, 168904, 211130, 216040, 232243, 422260, 464486, 844520, 928972, 1161215, 1857944, 2322430, 4644860, 9289720]

約数ペア:

[(1, 9289720), (2, 4644860), (4, 2322430), (5, 1857944), (8, 1161215), (10, 928972), (11, 844520), (20, 464486), (22, 422260), (40, 232243), (43, 216040), (44, 211130), (55, 168904), (86, 108020), (88, 105565), (110, 84452), (172, 54010), (215, 43208), (220, 42226), (344, 27005), (430, 21604), (440, 21113), (473, 19640), (491, 18920), (860, 10802), (946, 9820), (982, 9460), (1720, 5401), (1892, 4910), (1964, 4730), (2365, 3928), (2455, 3784)]