189012980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{55921}}^1$

素因数の和:55956

約数の個数: 36

約数和(自身を含む): 429816492

約数和(自身を除く): 240803512

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 55921, 111842, 223684, 279605, 559210, 726973, 1118420, 1453946, 2907892, 3634865, 7269730, 9450649, 14539460, 18901298, 37802596, 47253245, 94506490, 189012980]

約数ペア:

[(1, 189012980), (2, 94506490), (4, 47253245), (5, 37802596), (10, 18901298), (13, 14539460), (20, 9450649), (26, 7269730), (52, 3634865), (65, 2907892), (130, 1453946), (169, 1118420), (260, 726973), (338, 559210), (676, 279605), (845, 223684), (1690, 111842), (3380, 55921)]