128660000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{919}}^1$

素因数の和:956

約数の個数: 120

約数和(自身を含む): 362134080

約数和(自身を除く): 233474080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 919, 1000, 1120, 1250, 1400, 1750, 1838, 2000, 2500, 2800, 3500, 3676, 4000, 4375, 4595, 5000, 5600, 6433, 7000, 7352, 8750, 9190, 10000, 12866, 14000, 14704, 17500, 18380, 20000, 22975, 25732, 28000, 29408, 32165, 35000, 36760, 45950, 51464, 64330, 70000, 73520, 91900, 102928, 114875, 128660, 140000, 147040, 160825, 183800, 205856, 229750, 257320, 321650, 367600, 459500, 514640, 574375, 643300, 735200, 804125, 919000, 1029280, 1148750, 1286600, 1608250, 1838000, 2297500, 2573200, 3216500, 3676000, 4020625, 4595000, 5146400, 6433000, 8041250, 9190000, 12866000, 16082500, 18380000, 25732000, 32165000, 64330000, 128660000]

約数ペア:

[(1, 128660000), (2, 64330000), (4, 32165000), (5, 25732000), (7, 18380000), (8, 16082500), (10, 12866000), (14, 9190000), (16, 8041250), (20, 6433000), (25, 5146400), (28, 4595000), (32, 4020625), (35, 3676000), (40, 3216500), (50, 2573200), (56, 2297500), (70, 1838000), (80, 1608250), (100, 1286600), (112, 1148750), (125, 1029280), (140, 919000), (160, 804125), (175, 735200), (200, 643300), (224, 574375), (250, 514640), (280, 459500), (350, 367600), (400, 321650), (500, 257320), (560, 229750), (625, 205856), (700, 183800), (800, 160825), (875, 147040), (919, 140000), (1000, 128660), (1120, 114875), (1250, 102928), (1400, 91900), (1750, 73520), (1838, 70000), (2000, 64330), (2500, 51464), (2800, 45950), (3500, 36760), (3676, 35000), (4000, 32165), (4375, 29408), (4595, 28000), (5000, 25732), (5600, 22975), (6433, 20000), (7000, 18380), (7352, 17500), (8750, 14704), (9190, 14000), (10000, 12866)]