28855120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 82822824

約数和(自身を除く): 53967704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 433, 476, 490, 560, 595, 680, 784, 833, 866, 952, 980, 1190, 1360, 1666, 1732, 1904, 1960, 2165, 2380, 3031, 3332, 3464, 3920, 4165, 4330, 4760, 6062, 6664, 6928, 7361, 8330, 8660, 9520, 12124, 13328, 14722, 15155, 16660, 17320, 21217, 24248, 29444, 30310, 33320, 34640, 36805, 42434, 48496, 51527, 58888, 60620, 66640, 73610, 84868, 103054, 106085, 117776, 121240, 147220, 169736, 206108, 212170, 242480, 257635, 294440, 339472, 360689, 412216, 424340, 515270, 588880, 721378, 824432, 848680, 1030540, 1442756, 1697360, 1803445, 2061080, 2885512, 3606890, 4122160, 5771024, 7213780, 14427560, 28855120]

約数ペア:

[(1, 28855120), (2, 14427560), (4, 7213780), (5, 5771024), (7, 4122160), (8, 3606890), (10, 2885512), (14, 2061080), (16, 1803445), (17, 1697360), (20, 1442756), (28, 1030540), (34, 848680), (35, 824432), (40, 721378), (49, 588880), (56, 515270), (68, 424340), (70, 412216), (80, 360689), (85, 339472), (98, 294440), (112, 257635), (119, 242480), (136, 212170), (140, 206108), (170, 169736), (196, 147220), (238, 121240), (245, 117776), (272, 106085), (280, 103054), (340, 84868), (392, 73610), (433, 66640), (476, 60620), (490, 58888), (560, 51527), (595, 48496), (680, 42434), (784, 36805), (833, 34640), (866, 33320), (952, 30310), (980, 29444), (1190, 24248), (1360, 21217), (1666, 17320), (1732, 16660), (1904, 15155), (1960, 14722), (2165, 13328), (2380, 12124), (3031, 9520), (3332, 8660), (3464, 8330), (3920, 7361), (4165, 6928), (4330, 6664), (4760, 6062)]