72899380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 157807440

約数和(自身を除く): 84908060

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 485, 530, 709, 970, 1060, 1418, 1940, 2836, 3545, 5141, 7090, 10282, 14180, 20564, 25705, 37577, 51410, 68773, 75154, 102820, 137546, 150308, 187885, 275092, 343865, 375770, 687730, 751540, 1375460, 3644969, 7289938, 14579876, 18224845, 36449690, 72899380]

約数ペア:

[(1, 72899380), (2, 36449690), (4, 18224845), (5, 14579876), (10, 7289938), (20, 3644969), (53, 1375460), (97, 751540), (106, 687730), (194, 375770), (212, 343865), (265, 275092), (388, 187885), (485, 150308), (530, 137546), (709, 102820), (970, 75154), (1060, 68773), (1418, 51410), (1940, 37577), (2836, 25705), (3545, 20564), (5141, 14180), (7090, 10282)]