77708540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42697}}^1$

素因数の和:42726

約数の個数: 48

約数和(自身を含む): 200851392

約数和(自身を除く): 123142852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42697, 85394, 170788, 213485, 298879, 426970, 555061, 597758, 853940, 1110122, 1195516, 1494395, 2220244, 2775305, 2988790, 3885427, 5550610, 5977580, 7770854, 11101220, 15541708, 19427135, 38854270, 77708540]

約数ペア:

[(1, 77708540), (2, 38854270), (4, 19427135), (5, 15541708), (7, 11101220), (10, 7770854), (13, 5977580), (14, 5550610), (20, 3885427), (26, 2988790), (28, 2775305), (35, 2220244), (52, 1494395), (65, 1195516), (70, 1110122), (91, 853940), (130, 597758), (140, 555061), (182, 426970), (260, 298879), (364, 213485), (455, 170788), (910, 85394), (1820, 42697)]