208304810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 450109440

約数和(自身を除く): 241804630

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 59, 62, 70, 118, 155, 217, 295, 310, 413, 434, 590, 826, 1085, 1627, 1829, 2065, 2170, 3254, 3658, 4130, 8135, 9145, 11389, 12803, 16270, 18290, 22778, 25606, 50437, 56945, 64015, 95993, 100874, 113890, 128030, 191986, 252185, 353059, 479965, 504370, 671951, 706118, 959930, 1343902, 1765295, 2975783, 3359755, 3530590, 5951566, 6719510, 14878915, 20830481, 29757830, 41660962, 104152405, 208304810]

約数ペア:

[(1, 208304810), (2, 104152405), (5, 41660962), (7, 29757830), (10, 20830481), (14, 14878915), (31, 6719510), (35, 5951566), (59, 3530590), (62, 3359755), (70, 2975783), (118, 1765295), (155, 1343902), (217, 959930), (295, 706118), (310, 671951), (413, 504370), (434, 479965), (590, 353059), (826, 252185), (1085, 191986), (1627, 128030), (1829, 113890), (2065, 100874), (2170, 95993), (3254, 64015), (3658, 56945), (4130, 50437), (8135, 25606), (9145, 22778), (11389, 18290), (12803, 16270)]