2021381810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{11491}}^1$

素因数の和:11871

約数の個数: 48

約数和(自身を含む): 4244685120

約数和(自身を除く): 2223303310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 359, 490, 718, 1795, 2513, 3590, 5026, 11491, 12565, 17591, 22982, 25130, 35182, 57455, 80437, 87955, 114910, 160874, 175910, 402185, 563059, 804370, 1126118, 2815295, 4125269, 5630590, 8250538, 20626345, 28876883, 41252690, 57753766, 144384415, 202138181, 288768830, 404276362, 1010690905, 2021381810]

約数ペア:

[(1, 2021381810), (2, 1010690905), (5, 404276362), (7, 288768830), (10, 202138181), (14, 144384415), (35, 57753766), (49, 41252690), (70, 28876883), (98, 20626345), (245, 8250538), (359, 5630590), (490, 4125269), (718, 2815295), (1795, 1126118), (2513, 804370), (3590, 563059), (5026, 402185), (11491, 175910), (12565, 160874), (17591, 114910), (22982, 87955), (25130, 80437), (35182, 57455)]