313157075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 509800704

約数和(自身を除く): 196643629

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 121, 161, 175, 253, 275, 385, 575, 605, 643, 805, 847, 1265, 1771, 1925, 2783, 3025, 3215, 4025, 4235, 4501, 6325, 7073, 8855, 13915, 14789, 16075, 19481, 21175, 22505, 35365, 44275, 49511, 69575, 73945, 77803, 97405, 103523, 112525, 162679, 176825, 247555, 369725, 389015, 487025, 517615, 544621, 813395, 1138753, 1237775, 1789469, 1945075, 2588075, 2723105, 4066975, 5693765, 8947345, 12526283, 13615525, 28468825, 44736725, 62631415, 313157075]

約数ペア:

[(1, 313157075), (5, 62631415), (7, 44736725), (11, 28468825), (23, 13615525), (25, 12526283), (35, 8947345), (55, 5693765), (77, 4066975), (115, 2723105), (121, 2588075), (161, 1945075), (175, 1789469), (253, 1237775), (275, 1138753), (385, 813395), (575, 544621), (605, 517615), (643, 487025), (805, 389015), (847, 369725), (1265, 247555), (1771, 176825), (1925, 162679), (2783, 112525), (3025, 103523), (3215, 97405), (4025, 77803), (4235, 73945), (4501, 69575), (6325, 49511), (7073, 44275), (8855, 35365), (13915, 22505), (14789, 21175), (16075, 19481)]