641094340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{1193}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 1366232112

約数和(自身を除く): 725137772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 277, 388, 485, 554, 970, 1108, 1193, 1385, 1940, 2386, 2770, 4772, 5540, 5965, 11930, 23860, 26869, 53738, 107476, 115721, 134345, 231442, 268690, 330461, 462884, 537380, 578605, 660922, 1157210, 1321844, 1652305, 2314420, 3304610, 6609220, 32054717, 64109434, 128218868, 160273585, 320547170, 641094340]

約数ペア:

[(1, 641094340), (2, 320547170), (4, 160273585), (5, 128218868), (10, 64109434), (20, 32054717), (97, 6609220), (194, 3304610), (277, 2314420), (388, 1652305), (485, 1321844), (554, 1157210), (970, 660922), (1108, 578605), (1193, 537380), (1385, 462884), (1940, 330461), (2386, 268690), (2770, 231442), (4772, 134345), (5540, 115721), (5965, 107476), (11930, 53738), (23860, 26869)]