231467240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{340393}}^1$

素因数の和:340421

約数の個数: 32

約数和(自身を含む): 551438280

約数和(自身を除く): 319971040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 340393, 680786, 1361572, 1701965, 2723144, 3403930, 5786681, 6807860, 11573362, 13615720, 23146724, 28933405, 46293448, 57866810, 115733620, 231467240]

約数ペア:

[(1, 231467240), (2, 115733620), (4, 57866810), (5, 46293448), (8, 28933405), (10, 23146724), (17, 13615720), (20, 11573362), (34, 6807860), (40, 5786681), (68, 3403930), (85, 2723144), (136, 1701965), (170, 1361572), (340, 680786), (680, 340393)]