194138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{693353}}^1$

素因数の和:693371

約数の個数: 32

約数和(自身を含む): 499214880

約数和(自身を除く): 305076040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 693353, 1386706, 2773412, 3466765, 4853471, 5546824, 6933530, 9706942, 13867060, 19413884, 24267355, 27734120, 38827768, 48534710, 97069420, 194138840]

約数ペア:

[(1, 194138840), (2, 97069420), (4, 48534710), (5, 38827768), (7, 27734120), (8, 24267355), (10, 19413884), (14, 13867060), (20, 9706942), (28, 6933530), (35, 5546824), (40, 4853471), (56, 3466765), (70, 2773412), (140, 1386706), (280, 693353)]