90787690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{6389}}^1$

素因数の和:6439

約数の個数: 48

約数和(自身を含む): 196684200

約数和(自身を除く): 105896510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 2030, 2842, 6389, 7105, 12778, 14210, 31945, 44723, 63890, 89446, 185281, 223615, 313061, 370562, 447230, 626122, 926405, 1296967, 1565305, 1852810, 2593934, 3130610, 6484835, 9078769, 12969670, 18157538, 45393845, 90787690]

約数ペア:

[(1, 90787690), (2, 45393845), (5, 18157538), (7, 12969670), (10, 9078769), (14, 6484835), (29, 3130610), (35, 2593934), (49, 1852810), (58, 1565305), (70, 1296967), (98, 926405), (145, 626122), (203, 447230), (245, 370562), (290, 313061), (406, 223615), (490, 185281), (1015, 89446), (1421, 63890), (2030, 44723), (2842, 31945), (6389, 14210), (7105, 12778)]