788679920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{3923}}^1$

素因数の和:4302

約数の個数: 80

約数和(自身を含む): 2102008320

約数和(自身を除く): 1313328400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 560, 718, 1436, 1795, 2513, 2872, 3590, 3923, 5026, 5744, 7180, 7846, 10052, 12565, 14360, 15692, 19615, 20104, 25130, 27461, 28720, 31384, 39230, 40208, 50260, 54922, 62768, 78460, 100520, 109844, 137305, 156920, 201040, 219688, 274610, 313840, 439376, 549220, 1098440, 1408357, 2196880, 2816714, 5633428, 7041785, 9858499, 11266856, 14083570, 19716998, 22533712, 28167140, 39433996, 49292495, 56334280, 78867992, 98584990, 112668560, 157735984, 197169980, 394339960, 788679920]

約数ペア:

[(1, 788679920), (2, 394339960), (4, 197169980), (5, 157735984), (7, 112668560), (8, 98584990), (10, 78867992), (14, 56334280), (16, 49292495), (20, 39433996), (28, 28167140), (35, 22533712), (40, 19716998), (56, 14083570), (70, 11266856), (80, 9858499), (112, 7041785), (140, 5633428), (280, 2816714), (359, 2196880), (560, 1408357), (718, 1098440), (1436, 549220), (1795, 439376), (2513, 313840), (2872, 274610), (3590, 219688), (3923, 201040), (5026, 156920), (5744, 137305), (7180, 109844), (7846, 100520), (10052, 78460), (12565, 62768), (14360, 54922), (15692, 50260), (19615, 40208), (20104, 39230), (25130, 31384), (27461, 28720)]