208022920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7213}}^1$

素因数の和:7334

約数の個数: 64

約数和(自身を含む): 540184320

約数和(自身を除く): 332161400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2884, 3605, 4120, 5768, 7210, 7213, 14420, 14426, 28840, 28852, 36065, 50491, 57704, 72130, 100982, 144260, 201964, 252455, 288520, 403928, 504910, 742939, 1009820, 1485878, 2019640, 2971756, 3714695, 5200573, 5943512, 7429390, 10401146, 14858780, 20802292, 26002865, 29717560, 41604584, 52005730, 104011460, 208022920]

約数ペア:

[(1, 208022920), (2, 104011460), (4, 52005730), (5, 41604584), (7, 29717560), (8, 26002865), (10, 20802292), (14, 14858780), (20, 10401146), (28, 7429390), (35, 5943512), (40, 5200573), (56, 3714695), (70, 2971756), (103, 2019640), (140, 1485878), (206, 1009820), (280, 742939), (412, 504910), (515, 403928), (721, 288520), (824, 252455), (1030, 201964), (1442, 144260), (2060, 100982), (2884, 72130), (3605, 57704), (4120, 50491), (5768, 36065), (7210, 28852), (7213, 28840), (14420, 14426)]