129008290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11131}}^1$

素因数の和:11218

約数の個数: 32

約数和(自身を含む): 248466240

約数和(自身を除く): 119457950

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 11131, 11590, 22262, 55655, 111310, 211489, 422978, 678991, 1057445, 1357982, 2114890, 3394955, 6789910, 12900829, 25801658, 64504145, 129008290]

約数ペア:

[(1, 129008290), (2, 64504145), (5, 25801658), (10, 12900829), (19, 6789910), (38, 3394955), (61, 2114890), (95, 1357982), (122, 1057445), (190, 678991), (305, 422978), (610, 211489), (1159, 111310), (2318, 55655), (5795, 22262), (11131, 11590)]