245847472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 547277472

約数和(自身を除く): 301430000

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 251, 272, 277, 442, 502, 554, 884, 1004, 1108, 1768, 2008, 2216, 3263, 3536, 3601, 4016, 4267, 4432, 4709, 6526, 7202, 8534, 9418, 13052, 14404, 17068, 18836, 26104, 28808, 34136, 37672, 52208, 55471, 57616, 61217, 68272, 69527, 75344, 110942, 122434, 139054, 221884, 244868, 278108, 443768, 489736, 556216, 887536, 903851, 979472, 1112432, 1181959, 1807702, 2363918, 3615404, 4727836, 7230808, 9455672, 14461616, 15365467, 18911344, 30730934, 61461868, 122923736, 245847472]

約数ペア:

[(1, 245847472), (2, 122923736), (4, 61461868), (8, 30730934), (13, 18911344), (16, 15365467), (17, 14461616), (26, 9455672), (34, 7230808), (52, 4727836), (68, 3615404), (104, 2363918), (136, 1807702), (208, 1181959), (221, 1112432), (251, 979472), (272, 903851), (277, 887536), (442, 556216), (502, 489736), (554, 443768), (884, 278108), (1004, 244868), (1108, 221884), (1768, 139054), (2008, 122434), (2216, 110942), (3263, 75344), (3536, 69527), (3601, 68272), (4016, 61217), (4267, 57616), (4432, 55471), (4709, 52208), (6526, 37672), (7202, 34136), (8534, 28808), (9418, 26104), (13052, 18836), (14404, 17068)]