440737780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{9931}}^1$

素因数の和:10264

約数の個数: 48

約数和(自身を含む): 1061214336

約数和(自身を除く): 620476556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 4438, 6340, 8876, 9931, 11095, 19862, 22190, 39724, 44380, 49655, 69517, 99310, 139034, 198620, 278068, 347585, 695170, 1390340, 3148127, 6296254, 12592508, 15740635, 22036889, 31481270, 44073778, 62962540, 88147556, 110184445, 220368890, 440737780]

約数ペア:

[(1, 440737780), (2, 220368890), (4, 110184445), (5, 88147556), (7, 62962540), (10, 44073778), (14, 31481270), (20, 22036889), (28, 15740635), (35, 12592508), (70, 6296254), (140, 3148127), (317, 1390340), (634, 695170), (1268, 347585), (1585, 278068), (2219, 198620), (3170, 139034), (4438, 99310), (6340, 69517), (8876, 49655), (9931, 44380), (11095, 39724), (19862, 22190)]