198748060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61723}}^1$

素因数の和:61762

約数の個数: 48

約数和(自身を含む): 497742336

約数和(自身を除く): 298994276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 61723, 123446, 246892, 308615, 432061, 617230, 864122, 1234460, 1419629, 1728244, 2160305, 2839258, 4320610, 5678516, 7098145, 8641220, 9937403, 14196290, 19874806, 28392580, 39749612, 49687015, 99374030, 198748060]

約数ペア:

[(1, 198748060), (2, 99374030), (4, 49687015), (5, 39749612), (7, 28392580), (10, 19874806), (14, 14196290), (20, 9937403), (23, 8641220), (28, 7098145), (35, 5678516), (46, 4320610), (70, 2839258), (92, 2160305), (115, 1728244), (140, 1419629), (161, 1234460), (230, 864122), (322, 617230), (460, 432061), (644, 308615), (805, 246892), (1610, 123446), (3220, 61723)]