209434512

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20107}}^1$

素因数の和:20156

約数の個数: 80

約数和(自身を含む): 638308352

約数和(自身を除く): 428873840

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 20107, 40214, 60321, 80428, 120642, 140749, 160856, 241284, 281498, 321712, 422247, 482568, 562996, 623317, 844494, 965136, 1125992, 1246634, 1688988, 1869951, 2251984, 2493268, 3377976, 3739902, 4363219, 4986536, 6755952, 7479804, 8726438, 9973072, 13089657, 14959608, 17452876, 26179314, 29919216, 34905752, 52358628, 69811504, 104717256, 209434512]

約数ペア:

[(1, 209434512), (2, 104717256), (3, 69811504), (4, 52358628), (6, 34905752), (7, 29919216), (8, 26179314), (12, 17452876), (14, 14959608), (16, 13089657), (21, 9973072), (24, 8726438), (28, 7479804), (31, 6755952), (42, 4986536), (48, 4363219), (56, 3739902), (62, 3377976), (84, 2493268), (93, 2251984), (112, 1869951), (124, 1688988), (168, 1246634), (186, 1125992), (217, 965136), (248, 844494), (336, 623317), (372, 562996), (434, 482568), (496, 422247), (651, 321712), (744, 281498), (868, 241284), (1302, 160856), (1488, 140749), (1736, 120642), (2604, 80428), (3472, 60321), (5208, 40214), (10416, 20107)]