447146440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{1259}}^1$

素因数の和:1966

約数の個数: 64

約数和(自身を含む): 1085918400

約数和(自身を除く): 638771960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 683, 1259, 1366, 2518, 2732, 3415, 5036, 5464, 6295, 6830, 8879, 10072, 12590, 13660, 16367, 17758, 25180, 27320, 32734, 35516, 44395, 50360, 65468, 71032, 81835, 88790, 130936, 163670, 177580, 327340, 355160, 654680, 859897, 1719794, 3439588, 4299485, 6879176, 8598970, 11178661, 17197940, 22357322, 34395880, 44714644, 55893305, 89429288, 111786610, 223573220, 447146440]

約数ペア:

[(1, 447146440), (2, 223573220), (4, 111786610), (5, 89429288), (8, 55893305), (10, 44714644), (13, 34395880), (20, 22357322), (26, 17197940), (40, 11178661), (52, 8598970), (65, 6879176), (104, 4299485), (130, 3439588), (260, 1719794), (520, 859897), (683, 654680), (1259, 355160), (1366, 327340), (2518, 177580), (2732, 163670), (3415, 130936), (5036, 88790), (5464, 81835), (6295, 71032), (6830, 65468), (8879, 50360), (10072, 44395), (12590, 35516), (13660, 32734), (16367, 27320), (17758, 25180)]