287996830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 601877952

約数和(自身を除く): 313881122

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 337, 374, 457, 674, 914, 935, 1685, 1870, 2285, 3370, 3707, 4570, 5027, 5729, 7414, 7769, 10054, 11458, 15538, 18535, 25135, 28645, 37070, 38845, 50270, 57290, 63019, 77690, 85459, 126038, 154009, 170918, 308018, 315095, 427295, 630190, 770045, 854590, 1540090, 1694099, 2618153, 3388198, 5236306, 8470495, 13090765, 16940990, 26181530, 28799683, 57599366, 143998415, 287996830]

約数ペア:

[(1, 287996830), (2, 143998415), (5, 57599366), (10, 28799683), (11, 26181530), (17, 16940990), (22, 13090765), (34, 8470495), (55, 5236306), (85, 3388198), (110, 2618153), (170, 1694099), (187, 1540090), (337, 854590), (374, 770045), (457, 630190), (674, 427295), (914, 315095), (935, 308018), (1685, 170918), (1870, 154009), (2285, 126038), (3370, 85459), (3707, 77690), (4570, 63019), (5027, 57290), (5729, 50270), (7414, 38845), (7769, 37070), (10054, 28645), (11458, 25135), (15538, 18535)]