128389450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 292481280

約数和(自身を除く): 164091830

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 41, 46, 50, 70, 82, 115, 161, 175, 205, 230, 287, 322, 350, 389, 410, 574, 575, 778, 805, 943, 1025, 1150, 1435, 1610, 1886, 1945, 2050, 2723, 2870, 3890, 4025, 4715, 5446, 6601, 7175, 8050, 8947, 9430, 9725, 13202, 13615, 14350, 15949, 17894, 19450, 23575, 27230, 31898, 33005, 44735, 47150, 62629, 66010, 68075, 79745, 89470, 111643, 125258, 136150, 159490, 165025, 223286, 223675, 313145, 330050, 366827, 398725, 447350, 558215, 626290, 733654, 797450, 1116430, 1565725, 1834135, 2567789, 2791075, 3131450, 3668270, 5135578, 5582150, 9170675, 12838945, 18341350, 25677890, 64194725, 128389450]

約数ペア:

[(1, 128389450), (2, 64194725), (5, 25677890), (7, 18341350), (10, 12838945), (14, 9170675), (23, 5582150), (25, 5135578), (35, 3668270), (41, 3131450), (46, 2791075), (50, 2567789), (70, 1834135), (82, 1565725), (115, 1116430), (161, 797450), (175, 733654), (205, 626290), (230, 558215), (287, 447350), (322, 398725), (350, 366827), (389, 330050), (410, 313145), (574, 223675), (575, 223286), (778, 165025), (805, 159490), (943, 136150), (1025, 125258), (1150, 111643), (1435, 89470), (1610, 79745), (1886, 68075), (1945, 66010), (2050, 62629), (2723, 47150), (2870, 44735), (3890, 33005), (4025, 31898), (4715, 27230), (5446, 23575), (6601, 19450), (7175, 17894), (8050, 15949), (8947, 14350), (9430, 13615), (9725, 13202)]