129417820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{132059}}^1$

素因数の和:132082

約数の個数: 36

約数和(自身を含む): 316151640

約数和(自身を除く): 186733820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 132059, 264118, 528236, 660295, 924413, 1320590, 1848826, 2641180, 3697652, 4622065, 6470891, 9244130, 12941782, 18488260, 25883564, 32354455, 64708910, 129417820]

約数ペア:

[(1, 129417820), (2, 64708910), (4, 32354455), (5, 25883564), (7, 18488260), (10, 12941782), (14, 9244130), (20, 6470891), (28, 4622065), (35, 3697652), (49, 2641180), (70, 1848826), (98, 1320590), (140, 924413), (196, 660295), (245, 528236), (490, 264118), (980, 132059)]