202160840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{977}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 521078400

約数和(自身を除く): 318917560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 739, 977, 1478, 1954, 2956, 3695, 3908, 4885, 5173, 5912, 6839, 7390, 7816, 9770, 10346, 13678, 14780, 19540, 20692, 25865, 27356, 29560, 34195, 39080, 41384, 51730, 54712, 68390, 103460, 136780, 206920, 273560, 722003, 1444006, 2888012, 3610015, 5054021, 5776024, 7220030, 10108042, 14440060, 20216084, 25270105, 28880120, 40432168, 50540210, 101080420, 202160840]

約数ペア:

[(1, 202160840), (2, 101080420), (4, 50540210), (5, 40432168), (7, 28880120), (8, 25270105), (10, 20216084), (14, 14440060), (20, 10108042), (28, 7220030), (35, 5776024), (40, 5054021), (56, 3610015), (70, 2888012), (140, 1444006), (280, 722003), (739, 273560), (977, 206920), (1478, 136780), (1954, 103460), (2956, 68390), (3695, 54712), (3908, 51730), (4885, 41384), (5173, 39080), (5912, 34195), (6839, 29560), (7390, 27356), (7816, 25865), (9770, 20692), (10346, 19540), (13678, 14780)]