1728352010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{320659}}^1$

素因数の和:320691

約数の個数: 48

約数和(自身を含む): 3947965920

約数和(自身を除く): 2219613910

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 320659, 641318, 1603295, 2244613, 3206590, 3527249, 4489226, 7054498, 11223065, 15712291, 17636245, 22446130, 24690743, 31424582, 35272490, 49381486, 78561455, 123453715, 157122910, 172835201, 246907430, 345670402, 864176005, 1728352010]

約数ペア:

[(1, 1728352010), (2, 864176005), (5, 345670402), (7, 246907430), (10, 172835201), (11, 157122910), (14, 123453715), (22, 78561455), (35, 49381486), (49, 35272490), (55, 31424582), (70, 24690743), (77, 22446130), (98, 17636245), (110, 15712291), (154, 11223065), (245, 7054498), (385, 4489226), (490, 3527249), (539, 3206590), (770, 2244613), (1078, 1603295), (2695, 641318), (5390, 320659)]