138224680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 340692480

約数和(自身を除く): 202467800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 317, 440, 634, 991, 1268, 1585, 1982, 2536, 3170, 3487, 3964, 4955, 6340, 6974, 7928, 9910, 10901, 12680, 13948, 17435, 19820, 21802, 27896, 34870, 39640, 43604, 54505, 69740, 87208, 109010, 139480, 218020, 314147, 436040, 628294, 1256588, 1570735, 2513176, 3141470, 3455617, 6282940, 6911234, 12565880, 13822468, 17278085, 27644936, 34556170, 69112340, 138224680]

約数ペア:

[(1, 138224680), (2, 69112340), (4, 34556170), (5, 27644936), (8, 17278085), (10, 13822468), (11, 12565880), (20, 6911234), (22, 6282940), (40, 3455617), (44, 3141470), (55, 2513176), (88, 1570735), (110, 1256588), (220, 628294), (317, 436040), (440, 314147), (634, 218020), (991, 139480), (1268, 109010), (1585, 87208), (1982, 69740), (2536, 54505), (3170, 43604), (3487, 39640), (3964, 34870), (4955, 27896), (6340, 21802), (6974, 19820), (7928, 17435), (9910, 13948), (10901, 12680)]