8697500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 90

約数和(自身を含む): 22436568

約数和(自身を除く): 13739068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 98, 100, 125, 140, 142, 175, 196, 245, 250, 284, 350, 355, 490, 497, 500, 625, 700, 710, 875, 980, 994, 1225, 1250, 1420, 1750, 1775, 1988, 2450, 2485, 2500, 3479, 3500, 3550, 4375, 4900, 4970, 6125, 6958, 7100, 8750, 8875, 9940, 12250, 12425, 13916, 17395, 17500, 17750, 24500, 24850, 30625, 34790, 35500, 44375, 49700, 61250, 62125, 69580, 86975, 88750, 122500, 124250, 173950, 177500, 248500, 310625, 347900, 434875, 621250, 869750, 1242500, 1739500, 2174375, 4348750, 8697500]

約数ペア:

[(1, 8697500), (2, 4348750), (4, 2174375), (5, 1739500), (7, 1242500), (10, 869750), (14, 621250), (20, 434875), (25, 347900), (28, 310625), (35, 248500), (49, 177500), (50, 173950), (70, 124250), (71, 122500), (98, 88750), (100, 86975), (125, 69580), (140, 62125), (142, 61250), (175, 49700), (196, 44375), (245, 35500), (250, 34790), (284, 30625), (350, 24850), (355, 24500), (490, 17750), (497, 17500), (500, 17395), (625, 13916), (700, 12425), (710, 12250), (875, 9940), (980, 8875), (994, 8750), (1225, 7100), (1250, 6958), (1420, 6125), (1750, 4970), (1775, 4900), (1988, 4375), (2450, 3550), (2485, 3500), (2500, 3479)]