4075940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 9483264

約数和(自身を除く): 5407324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 191, 194, 220, 382, 388, 485, 764, 955, 970, 1067, 1910, 1940, 2101, 2134, 3820, 4202, 4268, 5335, 8404, 10505, 10670, 18527, 21010, 21340, 37054, 42020, 74108, 92635, 185270, 203797, 370540, 407594, 815188, 1018985, 2037970, 4075940]

約数ペア:

[(1, 4075940), (2, 2037970), (4, 1018985), (5, 815188), (10, 407594), (11, 370540), (20, 203797), (22, 185270), (44, 92635), (55, 74108), (97, 42020), (110, 37054), (191, 21340), (194, 21010), (220, 18527), (382, 10670), (388, 10505), (485, 8404), (764, 5335), (955, 4268), (970, 4202), (1067, 3820), (1910, 2134), (1940, 2101)]