91222820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 210012264

約数和(自身を除く): 118789444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 169, 197, 260, 274, 338, 394, 548, 676, 685, 788, 845, 985, 1370, 1690, 1781, 1970, 2561, 2740, 3380, 3562, 3940, 5122, 7124, 8905, 10244, 12805, 17810, 23153, 25610, 26989, 33293, 35620, 46306, 51220, 53978, 66586, 92612, 107956, 115765, 133172, 134945, 166465, 231530, 269890, 332930, 350857, 463060, 539780, 665860, 701714, 1403428, 1754285, 3508570, 4561141, 7017140, 9122282, 18244564, 22805705, 45611410, 91222820]

約数ペア:

[(1, 91222820), (2, 45611410), (4, 22805705), (5, 18244564), (10, 9122282), (13, 7017140), (20, 4561141), (26, 3508570), (52, 1754285), (65, 1403428), (130, 701714), (137, 665860), (169, 539780), (197, 463060), (260, 350857), (274, 332930), (338, 269890), (394, 231530), (548, 166465), (676, 134945), (685, 133172), (788, 115765), (845, 107956), (985, 92612), (1370, 66586), (1690, 53978), (1781, 51220), (1970, 46306), (2561, 35620), (2740, 33293), (3380, 26989), (3562, 25610), (3940, 23153), (5122, 17810), (7124, 12805), (8905, 10244)]