29787940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 77474880

約数和(自身を除く): 47686940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1259, 1690, 1820, 2366, 2518, 3380, 4732, 5036, 5915, 6295, 8813, 11830, 12590, 16367, 17626, 23660, 25180, 32734, 35252, 44065, 65468, 81835, 88130, 114569, 163670, 176260, 212771, 229138, 327340, 425542, 458276, 572845, 851084, 1063855, 1145690, 1489397, 2127710, 2291380, 2978794, 4255420, 5957588, 7446985, 14893970, 29787940]

約数ペア:

[(1, 29787940), (2, 14893970), (4, 7446985), (5, 5957588), (7, 4255420), (10, 2978794), (13, 2291380), (14, 2127710), (20, 1489397), (26, 1145690), (28, 1063855), (35, 851084), (52, 572845), (65, 458276), (70, 425542), (91, 327340), (130, 229138), (140, 212771), (169, 176260), (182, 163670), (260, 114569), (338, 88130), (364, 81835), (455, 65468), (676, 44065), (845, 35252), (910, 32734), (1183, 25180), (1259, 23660), (1690, 17626), (1820, 16367), (2366, 12590), (2518, 11830), (3380, 8813), (4732, 6295), (5036, 5915)]