27975980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 34681300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 887, 1577, 1660, 1774, 3154, 3548, 4435, 6308, 7885, 8870, 15770, 16853, 17740, 31540, 33706, 67412, 73621, 84265, 147242, 168530, 294484, 337060, 368105, 736210, 1398799, 1472420, 2797598, 5595196, 6993995, 13987990, 27975980]

約数ペア:

[(1, 27975980), (2, 13987990), (4, 6993995), (5, 5595196), (10, 2797598), (19, 1472420), (20, 1398799), (38, 736210), (76, 368105), (83, 337060), (95, 294484), (166, 168530), (190, 147242), (332, 84265), (380, 73621), (415, 67412), (830, 33706), (887, 31540), (1577, 17740), (1660, 16853), (1774, 15770), (3154, 8870), (3548, 7885), (4435, 6308)]