168400940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8929}}^1$

素因数の和:9002

約数の個数: 48

約数和(自身を含む): 378060480

約数和(自身を除く): 209659540

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 8929, 9430, 17858, 18860, 35716, 44645, 89290, 178580, 205367, 366089, 410734, 732178, 821468, 1026835, 1464356, 1830445, 2053670, 3660890, 4107340, 7321780, 8420047, 16840094, 33680188, 42100235, 84200470, 168400940]

約数ペア:

[(1, 168400940), (2, 84200470), (4, 42100235), (5, 33680188), (10, 16840094), (20, 8420047), (23, 7321780), (41, 4107340), (46, 3660890), (82, 2053670), (92, 1830445), (115, 1464356), (164, 1026835), (205, 821468), (230, 732178), (410, 410734), (460, 366089), (820, 205367), (943, 178580), (1886, 89290), (3772, 44645), (4715, 35716), (8929, 18860), (9430, 17858)]