28446440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3803}}^1$

素因数の和:3842

約数の個数: 64

約数和(自身を含む): 73949760

約数和(自身を除く): 45503320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 3803, 7480, 7606, 15212, 19015, 30424, 38030, 41833, 64651, 76060, 83666, 129302, 152120, 167332, 209165, 258604, 323255, 334664, 418330, 517208, 646510, 711161, 836660, 1293020, 1422322, 1673320, 2586040, 2844644, 3555805, 5689288, 7111610, 14223220, 28446440]

約数ペア:

[(1, 28446440), (2, 14223220), (4, 7111610), (5, 5689288), (8, 3555805), (10, 2844644), (11, 2586040), (17, 1673320), (20, 1422322), (22, 1293020), (34, 836660), (40, 711161), (44, 646510), (55, 517208), (68, 418330), (85, 334664), (88, 323255), (110, 258604), (136, 209165), (170, 167332), (187, 152120), (220, 129302), (340, 83666), (374, 76060), (440, 64651), (680, 41833), (748, 38030), (935, 30424), (1496, 19015), (1870, 15212), (3740, 7606), (3803, 7480)]