1819695220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2339}}^1\times {\mathrm{5557}}^1$

素因数の和:7912

約数の個数: 48

約数和(自身を含む): 4369921920

約数和(自身を除く): 2550226700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2339, 4678, 5557, 9356, 11114, 11695, 16373, 22228, 23390, 27785, 32746, 38899, 46780, 55570, 65492, 77798, 81865, 111140, 155596, 163730, 194495, 327460, 388990, 777980, 12997823, 25995646, 51991292, 64989115, 90984761, 129978230, 181969522, 259956460, 363939044, 454923805, 909847610, 1819695220]

約数ペア:

[(1, 1819695220), (2, 909847610), (4, 454923805), (5, 363939044), (7, 259956460), (10, 181969522), (14, 129978230), (20, 90984761), (28, 64989115), (35, 51991292), (70, 25995646), (140, 12997823), (2339, 777980), (4678, 388990), (5557, 327460), (9356, 194495), (11114, 163730), (11695, 155596), (16373, 111140), (22228, 81865), (23390, 77798), (27785, 65492), (32746, 55570), (38899, 46780)]