287095480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12979}}^1$

素因数の和:13076

約数の個数: 64

約数和(自身を含む): 747648000

約数和(自身を除く): 460552520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 12979, 22120, 25958, 51916, 64895, 90853, 103832, 129790, 181706, 259580, 363412, 454265, 519160, 726824, 908530, 1025341, 1817060, 2050682, 3634120, 4101364, 5126705, 7177387, 8202728, 10253410, 14354774, 20506820, 28709548, 35886935, 41013640, 57419096, 71773870, 143547740, 287095480]

約数ペア:

[(1, 287095480), (2, 143547740), (4, 71773870), (5, 57419096), (7, 41013640), (8, 35886935), (10, 28709548), (14, 20506820), (20, 14354774), (28, 10253410), (35, 8202728), (40, 7177387), (56, 5126705), (70, 4101364), (79, 3634120), (140, 2050682), (158, 1817060), (280, 1025341), (316, 908530), (395, 726824), (553, 519160), (632, 454265), (790, 363412), (1106, 259580), (1580, 181706), (2212, 129790), (2765, 103832), (3160, 90853), (4424, 64895), (5530, 51916), (11060, 25958), (12979, 22120)]