8963780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 22028160

約数和(自身を除く): 13064380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1489, 1505, 2978, 3010, 5956, 6020, 7445, 10423, 14890, 20846, 29780, 41692, 52115, 64027, 104230, 128054, 208460, 256108, 320135, 448189, 640270, 896378, 1280540, 1792756, 2240945, 4481890, 8963780]

約数ペア:

[(1, 8963780), (2, 4481890), (4, 2240945), (5, 1792756), (7, 1280540), (10, 896378), (14, 640270), (20, 448189), (28, 320135), (35, 256108), (43, 208460), (70, 128054), (86, 104230), (140, 64027), (172, 52115), (215, 41692), (301, 29780), (430, 20846), (602, 14890), (860, 10423), (1204, 7445), (1489, 6020), (1505, 5956), (2978, 3010)]