193622440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 476824320

約数和(自身を除く): 283201880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 862, 1021, 1724, 2042, 2155, 3448, 4084, 4310, 4741, 5105, 8168, 8620, 9482, 10210, 11231, 17240, 18964, 20420, 22462, 23705, 37928, 40840, 44924, 47410, 56155, 89848, 94820, 112310, 189640, 224620, 440051, 449240, 880102, 1760204, 2200255, 3520408, 4400510, 4840561, 8801020, 9681122, 17602040, 19362244, 24202805, 38724488, 48405610, 96811220, 193622440]

約数ペア:

[(1, 193622440), (2, 96811220), (4, 48405610), (5, 38724488), (8, 24202805), (10, 19362244), (11, 17602040), (20, 9681122), (22, 8801020), (40, 4840561), (44, 4400510), (55, 3520408), (88, 2200255), (110, 1760204), (220, 880102), (431, 449240), (440, 440051), (862, 224620), (1021, 189640), (1724, 112310), (2042, 94820), (2155, 89848), (3448, 56155), (4084, 47410), (4310, 44924), (4741, 40840), (5105, 37928), (8168, 23705), (8620, 22462), (9482, 20420), (10210, 18964), (11231, 17240)]