28541220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 56130780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 47, 58, 60, 87, 94, 116, 141, 145, 174, 188, 235, 282, 290, 348, 349, 435, 470, 564, 580, 698, 705, 870, 940, 1047, 1363, 1396, 1410, 1740, 1745, 2094, 2726, 2820, 3490, 4089, 4188, 5235, 5452, 6815, 6980, 8178, 10121, 10470, 13630, 16356, 16403, 20242, 20445, 20940, 27260, 30363, 32806, 40484, 40890, 49209, 50605, 60726, 65612, 81780, 82015, 98418, 101210, 121452, 151815, 164030, 196836, 202420, 246045, 303630, 328060, 475687, 492090, 607260, 951374, 984180, 1427061, 1902748, 2378435, 2854122, 4756870, 5708244, 7135305, 9513740, 14270610, 28541220]

約数ペア:

[(1, 28541220), (2, 14270610), (3, 9513740), (4, 7135305), (5, 5708244), (6, 4756870), (10, 2854122), (12, 2378435), (15, 1902748), (20, 1427061), (29, 984180), (30, 951374), (47, 607260), (58, 492090), (60, 475687), (87, 328060), (94, 303630), (116, 246045), (141, 202420), (145, 196836), (174, 164030), (188, 151815), (235, 121452), (282, 101210), (290, 98418), (348, 82015), (349, 81780), (435, 65612), (470, 60726), (564, 50605), (580, 49209), (698, 40890), (705, 40484), (870, 32806), (940, 30363), (1047, 27260), (1363, 20940), (1396, 20445), (1410, 20242), (1740, 16403), (1745, 16356), (2094, 13630), (2726, 10470), (2820, 10121), (3490, 8178), (4089, 6980), (4188, 6815), (5235, 5452)]