71742940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{49139}}^1$

素因数の和:49221

約数の個数: 24

約数和(自身を含む): 152727120

約数和(自身を除く): 80984180

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 49139, 98278, 196556, 245695, 491390, 982780, 3587147, 7174294, 14348588, 17935735, 35871470, 71742940]

約数ペア:

[(1, 71742940), (2, 35871470), (4, 17935735), (5, 14348588), (10, 7174294), (20, 3587147), (73, 982780), (146, 491390), (292, 245695), (365, 196556), (730, 98278), (1460, 49139)]