291270280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22133}}^1$

素因数の和:22198

約数の個数: 64

約数和(自身を含む): 764951040

約数和(自身を除く): 473680760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 22133, 44266, 88532, 110665, 154931, 177064, 221330, 309862, 442660, 619724, 774655, 885320, 1040251, 1239448, 1549310, 2080502, 3098620, 4161004, 5201255, 6197240, 7281757, 8322008, 10402510, 14563514, 20805020, 29127028, 36408785, 41610040, 58254056, 72817570, 145635140, 291270280]

約数ペア:

[(1, 291270280), (2, 145635140), (4, 72817570), (5, 58254056), (7, 41610040), (8, 36408785), (10, 29127028), (14, 20805020), (20, 14563514), (28, 10402510), (35, 8322008), (40, 7281757), (47, 6197240), (56, 5201255), (70, 4161004), (94, 3098620), (140, 2080502), (188, 1549310), (235, 1239448), (280, 1040251), (329, 885320), (376, 774655), (470, 619724), (658, 442660), (940, 309862), (1316, 221330), (1645, 177064), (1880, 154931), (2632, 110665), (3290, 88532), (6580, 44266), (13160, 22133)]