859747280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21031}}^1$

素因数の和:21124

約数の個数: 80

約数和(自身を含む): 2315875584

約数和(自身を除く): 1456128304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 21031, 40880, 42062, 84124, 105155, 147217, 168248, 210310, 294434, 336496, 420620, 588868, 736085, 841240, 1177736, 1472170, 1535263, 1682480, 2355472, 2944340, 3070526, 5888680, 6141052, 7676315, 10746841, 11777360, 12282104, 15352630, 21493682, 24564208, 30705260, 42987364, 53734205, 61410520, 85974728, 107468410, 122821040, 171949456, 214936820, 429873640, 859747280]

約数ペア:

[(1, 859747280), (2, 429873640), (4, 214936820), (5, 171949456), (7, 122821040), (8, 107468410), (10, 85974728), (14, 61410520), (16, 53734205), (20, 42987364), (28, 30705260), (35, 24564208), (40, 21493682), (56, 15352630), (70, 12282104), (73, 11777360), (80, 10746841), (112, 7676315), (140, 6141052), (146, 5888680), (280, 3070526), (292, 2944340), (365, 2355472), (511, 1682480), (560, 1535263), (584, 1472170), (730, 1177736), (1022, 841240), (1168, 736085), (1460, 588868), (2044, 420620), (2555, 336496), (2920, 294434), (4088, 210310), (5110, 168248), (5840, 147217), (8176, 105155), (10220, 84124), (20440, 42062), (21031, 40880)]