2420110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 5540400

約数和(自身を除く): 3120290

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 449, 490, 539, 770, 898, 1078, 2245, 2695, 3143, 4490, 4939, 5390, 6286, 9878, 15715, 22001, 24695, 31430, 34573, 44002, 49390, 69146, 110005, 172865, 220010, 242011, 345730, 484022, 1210055, 2420110]

約数ペア:

[(1, 2420110), (2, 1210055), (5, 484022), (7, 345730), (10, 242011), (11, 220010), (14, 172865), (22, 110005), (35, 69146), (49, 49390), (55, 44002), (70, 34573), (77, 31430), (98, 24695), (110, 22001), (154, 15715), (245, 9878), (385, 6286), (449, 5390), (490, 4939), (539, 4490), (770, 3143), (898, 2695), (1078, 2245)]