90439300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{18457}}^1$

素因数の和:18485

約数の個数: 54

約数和(自身を含む): 228307002

約数和(自身を除く): 137867702

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, 18457, 36914, 73828, 92285, 129199, 184570, 258398, 369140, 461425, 516796, 645995, 904393, 922850, 1291990, 1808786, 1845700, 2583980, 3229975, 3617572, 4521965, 6459950, 9043930, 12919900, 18087860, 22609825, 45219650, 90439300]

約数ペア:

[(1, 90439300), (2, 45219650), (4, 22609825), (5, 18087860), (7, 12919900), (10, 9043930), (14, 6459950), (20, 4521965), (25, 3617572), (28, 3229975), (35, 2583980), (49, 1845700), (50, 1808786), (70, 1291990), (98, 922850), (100, 904393), (140, 645995), (175, 516796), (196, 461425), (245, 369140), (350, 258398), (490, 184570), (700, 129199), (980, 92285), (1225, 73828), (2450, 36914), (4900, 18457)]