1900892440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1\times {\mathrm{1777}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 4378147200

約数和(自身を除く): 2477254760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 569, 940, 1138, 1777, 1880, 2276, 2845, 3554, 4552, 5690, 7108, 8885, 11380, 14216, 17770, 22760, 26743, 35540, 53486, 71080, 83519, 106972, 133715, 167038, 213944, 267430, 334076, 417595, 534860, 668152, 835190, 1011113, 1069720, 1670380, 2022226, 3340760, 4044452, 5055565, 8088904, 10111130, 20222260, 40444520, 47522311, 95044622, 190089244, 237611555, 380178488, 475223110, 950446220, 1900892440]

約数ペア:

[(1, 1900892440), (2, 950446220), (4, 475223110), (5, 380178488), (8, 237611555), (10, 190089244), (20, 95044622), (40, 47522311), (47, 40444520), (94, 20222260), (188, 10111130), (235, 8088904), (376, 5055565), (470, 4044452), (569, 3340760), (940, 2022226), (1138, 1670380), (1777, 1069720), (1880, 1011113), (2276, 835190), (2845, 668152), (3554, 534860), (4552, 417595), (5690, 334076), (7108, 267430), (8885, 213944), (11380, 167038), (14216, 133715), (17770, 106972), (22760, 83519), (26743, 71080), (35540, 53486)]