85019900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17351}}^1$

素因数の和:17379

約数の個数: 54

約数和(自身を含む): 214626888

約数和(自身を除く): 129606988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 17351, 34702, 69404, 86755, 121457, 173510, 242914, 347020, 433775, 485828, 607285, 850199, 867550, 1214570, 1700398, 1735100, 2429140, 3036425, 3400796, 4250995, 6072850, 8501990, 12145700, 17003980, 21254975, 42509950, 85019900]

約数ペア:

[(1, 85019900), (2, 42509950), (4, 21254975), (5, 17003980), (7, 12145700), (10, 8501990), (14, 6072850), (20, 4250995), (25, 3400796), (28, 3036425), (35, 2429140), (49, 1735100), (50, 1700398), (70, 1214570), (98, 867550), (100, 850199), (140, 607285), (175, 485828), (196, 433775), (245, 347020), (350, 242914), (490, 173510), (700, 121457), (980, 86755), (1225, 69404), (2450, 34702), (4900, 17351)]