42707780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 94227840

約数和(自身を除く): 51520060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 409, 454, 460, 818, 908, 1135, 1636, 2045, 2270, 4090, 4540, 5221, 8180, 9407, 10442, 18814, 20884, 26105, 37628, 47035, 52210, 92843, 94070, 104420, 185686, 188140, 371372, 464215, 928430, 1856860, 2135389, 4270778, 8541556, 10676945, 21353890, 42707780]

約数ペア:

[(1, 42707780), (2, 21353890), (4, 10676945), (5, 8541556), (10, 4270778), (20, 2135389), (23, 1856860), (46, 928430), (92, 464215), (115, 371372), (227, 188140), (230, 185686), (409, 104420), (454, 94070), (460, 92843), (818, 52210), (908, 47035), (1135, 37628), (1636, 26105), (2045, 20884), (2270, 18814), (4090, 10442), (4540, 9407), (5221, 8180)]