221796190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4153

約数の個数: 64

約数和(自身を含む): 504880128

約数和(自身を除く): 283083938

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 3905, 4057, 4970, 5467, 7810, 8114, 10934, 20285, 27335, 28399, 40570, 44627, 54670, 56798, 89254, 141995, 223135, 283990, 288047, 312389, 446270, 576094, 624778, 1440235, 1561945, 2016329, 2880470, 3123890, 3168517, 4032658, 6337034, 10081645, 15842585, 20163290, 22179619, 31685170, 44359238, 110898095, 221796190]

約数ペア:

[(1, 221796190), (2, 110898095), (5, 44359238), (7, 31685170), (10, 22179619), (11, 20163290), (14, 15842585), (22, 10081645), (35, 6337034), (55, 4032658), (70, 3168517), (71, 3123890), (77, 2880470), (110, 2016329), (142, 1561945), (154, 1440235), (355, 624778), (385, 576094), (497, 446270), (710, 312389), (770, 288047), (781, 283990), (994, 223135), (1562, 141995), (2485, 89254), (3905, 56798), (4057, 54670), (4970, 44627), (5467, 40570), (7810, 28399), (8114, 27335), (10934, 20285)]