287233640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{827}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 682603200

約数和(自身を除く): 395369560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 457, 760, 827, 914, 1654, 1828, 2285, 3308, 3656, 4135, 4570, 6616, 8270, 8683, 9140, 15713, 16540, 17366, 18280, 31426, 33080, 34732, 43415, 62852, 69464, 78565, 86830, 125704, 157130, 173660, 314260, 347320, 377939, 628520, 755878, 1511756, 1889695, 3023512, 3779390, 7180841, 7558780, 14361682, 15117560, 28723364, 35904205, 57446728, 71808410, 143616820, 287233640]

約数ペア:

[(1, 287233640), (2, 143616820), (4, 71808410), (5, 57446728), (8, 35904205), (10, 28723364), (19, 15117560), (20, 14361682), (38, 7558780), (40, 7180841), (76, 3779390), (95, 3023512), (152, 1889695), (190, 1511756), (380, 755878), (457, 628520), (760, 377939), (827, 347320), (914, 314260), (1654, 173660), (1828, 157130), (2285, 125704), (3308, 86830), (3656, 78565), (4135, 69464), (4570, 62852), (6616, 43415), (8270, 34732), (8683, 33080), (9140, 31426), (15713, 18280), (16540, 17366)]