2613309980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{28661}}^1$

素因数の和:28814

約数の個数: 48

約数和(自身を含む): 5662694016

約数和(自身を除く): 3049384036

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 940, 970, 1940, 4559, 9118, 18236, 22795, 28661, 45590, 57322, 91180, 114644, 143305, 286610, 573220, 1347067, 2694134, 2780117, 5388268, 5560234, 6735335, 11120468, 13470670, 13900585, 26941340, 27801170, 55602340, 130665499, 261330998, 522661996, 653327495, 1306654990, 2613309980]

約数ペア:

[(1, 2613309980), (2, 1306654990), (4, 653327495), (5, 522661996), (10, 261330998), (20, 130665499), (47, 55602340), (94, 27801170), (97, 26941340), (188, 13900585), (194, 13470670), (235, 11120468), (388, 6735335), (470, 5560234), (485, 5388268), (940, 2780117), (970, 2694134), (1940, 1347067), (4559, 573220), (9118, 286610), (18236, 143305), (22795, 114644), (28661, 91180), (45590, 57322)]