2512940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 5896800

約数和(自身を除く): 3383860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 389, 646, 778, 1292, 1556, 1615, 1945, 3230, 3890, 6460, 6613, 7391, 7780, 13226, 14782, 26452, 29564, 33065, 36955, 66130, 73910, 125647, 132260, 147820, 251294, 502588, 628235, 1256470, 2512940]

約数ペア:

[(1, 2512940), (2, 1256470), (4, 628235), (5, 502588), (10, 251294), (17, 147820), (19, 132260), (20, 125647), (34, 73910), (38, 66130), (68, 36955), (76, 33065), (85, 29564), (95, 26452), (170, 14782), (190, 13226), (323, 7780), (340, 7391), (380, 6613), (389, 6460), (646, 3890), (778, 3230), (1292, 1945), (1556, 1615)]