9968560280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{271771}}^1$

素因数の和:271920

約数の個数: 64

約数和(自身を含む): 25829210880

約数和(自身を除く): 15860650600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 271771, 543542, 1087084, 1358855, 1902397, 2174168, 2717710, 3804794, 5435420, 7609588, 9511985, 10870840, 15219176, 19023970, 35602001, 38047940, 71204002, 76095880, 142408004, 178010005, 249214007, 284816008, 356020010, 498428014, 712040020, 996856028, 1246070035, 1424080040, 1993712056, 2492140070, 4984280140, 9968560280]

約数ペア:

[(1, 9968560280), (2, 4984280140), (4, 2492140070), (5, 1993712056), (7, 1424080040), (8, 1246070035), (10, 996856028), (14, 712040020), (20, 498428014), (28, 356020010), (35, 284816008), (40, 249214007), (56, 178010005), (70, 142408004), (131, 76095880), (140, 71204002), (262, 38047940), (280, 35602001), (524, 19023970), (655, 15219176), (917, 10870840), (1048, 9511985), (1310, 7609588), (1834, 5435420), (2620, 3804794), (3668, 2717710), (4585, 2174168), (5240, 1902397), (7336, 1358855), (9170, 1087084), (18340, 543542), (36680, 271771)]