157412500

素因数分解:

$2^2\times 5^5\times 7^2\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 402091452

約数和(自身を除く): 244678952

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 257, 350, 490, 500, 514, 625, 700, 875, 980, 1028, 1225, 1250, 1285, 1750, 1799, 2450, 2500, 2570, 3125, 3500, 3598, 4375, 4900, 5140, 6125, 6250, 6425, 7196, 8750, 8995, 12250, 12500, 12593, 12850, 17500, 17990, 21875, 24500, 25186, 25700, 30625, 32125, 35980, 43750, 44975, 50372, 61250, 62965, 64250, 87500, 89950, 122500, 125930, 128500, 153125, 160625, 179900, 224875, 251860, 306250, 314825, 321250, 449750, 612500, 629650, 642500, 803125, 899500, 1124375, 1259300, 1574125, 1606250, 2248750, 3148250, 3212500, 4497500, 5621875, 6296500, 7870625, 11243750, 15741250, 22487500, 31482500, 39353125, 78706250, 157412500]

約数ペア:

[(1, 157412500), (2, 78706250), (4, 39353125), (5, 31482500), (7, 22487500), (10, 15741250), (14, 11243750), (20, 7870625), (25, 6296500), (28, 5621875), (35, 4497500), (49, 3212500), (50, 3148250), (70, 2248750), (98, 1606250), (100, 1574125), (125, 1259300), (140, 1124375), (175, 899500), (196, 803125), (245, 642500), (250, 629650), (257, 612500), (350, 449750), (490, 321250), (500, 314825), (514, 306250), (625, 251860), (700, 224875), (875, 179900), (980, 160625), (1028, 153125), (1225, 128500), (1250, 125930), (1285, 122500), (1750, 89950), (1799, 87500), (2450, 64250), (2500, 62965), (2570, 61250), (3125, 50372), (3500, 44975), (3598, 43750), (4375, 35980), (4900, 32125), (5140, 30625), (6125, 25700), (6250, 25186), (6425, 24500), (7196, 21875), (8750, 17990), (8995, 17500), (12250, 12850), (12500, 12593)]