127988000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 144

約数和(自身を含む): 366368184

約数和(自身を除く): 238380184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 653, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1306, 1400, 1568, 1750, 1960, 2000, 2450, 2612, 2800, 3265, 3500, 3920, 4000, 4571, 4900, 5224, 5600, 6125, 6530, 7000, 7840, 9142, 9800, 10448, 12250, 13060, 14000, 16325, 18284, 19600, 20896, 22855, 24500, 26120, 28000, 31997, 32650, 36568, 39200, 45710, 49000, 52240, 63994, 65300, 73136, 81625, 91420, 98000, 104480, 114275, 127988, 130600, 146272, 159985, 163250, 182840, 196000, 228550, 255976, 261200, 319970, 326500, 365680, 457100, 511952, 522400, 571375, 639940, 653000, 731360, 799925, 914200, 1023904, 1142750, 1279880, 1306000, 1599850, 1828400, 2285500, 2559760, 2612000, 3199700, 3656800, 3999625, 4571000, 5119520, 6399400, 7999250, 9142000, 12798800, 15998500, 18284000, 25597600, 31997000, 63994000, 127988000]

約数ペア:

[(1, 127988000), (2, 63994000), (4, 31997000), (5, 25597600), (7, 18284000), (8, 15998500), (10, 12798800), (14, 9142000), (16, 7999250), (20, 6399400), (25, 5119520), (28, 4571000), (32, 3999625), (35, 3656800), (40, 3199700), (49, 2612000), (50, 2559760), (56, 2285500), (70, 1828400), (80, 1599850), (98, 1306000), (100, 1279880), (112, 1142750), (125, 1023904), (140, 914200), (160, 799925), (175, 731360), (196, 653000), (200, 639940), (224, 571375), (245, 522400), (250, 511952), (280, 457100), (350, 365680), (392, 326500), (400, 319970), (490, 261200), (500, 255976), (560, 228550), (653, 196000), (700, 182840), (784, 163250), (800, 159985), (875, 146272), (980, 130600), (1000, 127988), (1120, 114275), (1225, 104480), (1306, 98000), (1400, 91420), (1568, 81625), (1750, 73136), (1960, 65300), (2000, 63994), (2450, 52240), (2612, 49000), (2800, 45710), (3265, 39200), (3500, 36568), (3920, 32650), (4000, 31997), (4571, 28000), (4900, 26120), (5224, 24500), (5600, 22855), (6125, 20896), (6530, 19600), (7000, 18284), (7840, 16325), (9142, 14000), (9800, 13060), (10448, 12250)]