174996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4139}}^1$

素因数の和:4308

約数の個数: 64

約数和(自身を含む): 453081600

約数和(自身を除く): 278084680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 2114, 3020, 4139, 4228, 5285, 6040, 8278, 8456, 10570, 16556, 20695, 21140, 28973, 33112, 41390, 42280, 57946, 82780, 115892, 144865, 165560, 231784, 289730, 579460, 624989, 1158920, 1249978, 2499956, 3124945, 4374923, 4999912, 6249890, 8749846, 12499780, 17499692, 21874615, 24999560, 34999384, 43749230, 87498460, 174996920]

約数ペア:

[(1, 174996920), (2, 87498460), (4, 43749230), (5, 34999384), (7, 24999560), (8, 21874615), (10, 17499692), (14, 12499780), (20, 8749846), (28, 6249890), (35, 4999912), (40, 4374923), (56, 3124945), (70, 2499956), (140, 1249978), (151, 1158920), (280, 624989), (302, 579460), (604, 289730), (755, 231784), (1057, 165560), (1208, 144865), (1510, 115892), (2114, 82780), (3020, 57946), (4139, 42280), (4228, 41390), (5285, 33112), (6040, 28973), (8278, 21140), (8456, 20695), (10570, 16556)]