78455540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 171110352

約数和(自身を除く): 92654812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1093, 1940, 2186, 3589, 4372, 5465, 7178, 10930, 14356, 17945, 21860, 35890, 40441, 71780, 80882, 106021, 161764, 202205, 212042, 404410, 424084, 530105, 808820, 1060210, 2120420, 3922777, 7845554, 15691108, 19613885, 39227770, 78455540]

約数ペア:

[(1, 78455540), (2, 39227770), (4, 19613885), (5, 15691108), (10, 7845554), (20, 3922777), (37, 2120420), (74, 1060210), (97, 808820), (148, 530105), (185, 424084), (194, 404410), (370, 212042), (388, 202205), (485, 161764), (740, 106021), (970, 80882), (1093, 71780), (1940, 40441), (2186, 35890), (3589, 21860), (4372, 17945), (5465, 14356), (7178, 10930)]