177904090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1591

約数の個数: 64

約数和(自身を含む): 397281024

約数和(自身を除く): 219376934

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 182, 274, 455, 685, 910, 959, 1370, 1427, 1781, 1918, 2854, 3562, 4795, 7135, 8905, 9590, 9989, 12467, 14270, 17810, 18551, 19978, 24934, 37102, 49945, 62335, 92755, 99890, 124670, 129857, 185510, 195499, 259714, 390998, 649285, 977495, 1298570, 1368493, 1954990, 2541487, 2736986, 5082974, 6842465, 12707435, 13684930, 17790409, 25414870, 35580818, 88952045, 177904090]

約数ペア:

[(1, 177904090), (2, 88952045), (5, 35580818), (7, 25414870), (10, 17790409), (13, 13684930), (14, 12707435), (26, 6842465), (35, 5082974), (65, 2736986), (70, 2541487), (91, 1954990), (130, 1368493), (137, 1298570), (182, 977495), (274, 649285), (455, 390998), (685, 259714), (910, 195499), (959, 185510), (1370, 129857), (1427, 124670), (1781, 99890), (1918, 92755), (2854, 62335), (3562, 49945), (4795, 37102), (7135, 24934), (8905, 19978), (9590, 18551), (9989, 17810), (12467, 14270)]