161777209220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{6746339}}^1$

素因数の和:6746468

約数の個数: 48

約数和(自身を含む): 374017089600

約数和(自身を除く): 212239880380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 6746339, 13492678, 26985356, 33731695, 67463390, 74209729, 134926780, 148419458, 296838916, 371048645, 735350951, 742097290, 1470701902, 1484194580, 2941403804, 3676754755, 7353509510, 8088860461, 14707019020, 16177720922, 32355441844, 40444302305, 80888604610, 161777209220]

約数ペア:

[(1, 161777209220), (2, 80888604610), (4, 40444302305), (5, 32355441844), (10, 16177720922), (11, 14707019020), (20, 8088860461), (22, 7353509510), (44, 3676754755), (55, 2941403804), (109, 1484194580), (110, 1470701902), (218, 742097290), (220, 735350951), (436, 371048645), (545, 296838916), (1090, 148419458), (1199, 134926780), (2180, 74209729), (2398, 67463390), (4796, 33731695), (5995, 26985356), (11990, 13492678), (23980, 6746339)]