18012400

素因数分解:

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

素因数の和:951

約数の個数: 90

約数和(自身を含む): 50394840

約数和(自身を除く): 32382440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 919, 980, 1225, 1400, 1838, 1960, 2450, 2800, 3676, 3920, 4595, 4900, 6433, 7352, 9190, 9800, 12866, 14704, 18380, 19600, 22975, 25732, 32165, 36760, 45031, 45950, 51464, 64330, 73520, 90062, 91900, 102928, 128660, 160825, 180124, 183800, 225155, 257320, 321650, 360248, 367600, 450310, 514640, 643300, 720496, 900620, 1125775, 1286600, 1801240, 2251550, 2573200, 3602480, 4503100, 9006200, 18012400]

約数ペア:

[(1, 18012400), (2, 9006200), (4, 4503100), (5, 3602480), (7, 2573200), (8, 2251550), (10, 1801240), (14, 1286600), (16, 1125775), (20, 900620), (25, 720496), (28, 643300), (35, 514640), (40, 450310), (49, 367600), (50, 360248), (56, 321650), (70, 257320), (80, 225155), (98, 183800), (100, 180124), (112, 160825), (140, 128660), (175, 102928), (196, 91900), (200, 90062), (245, 73520), (280, 64330), (350, 51464), (392, 45950), (400, 45031), (490, 36760), (560, 32165), (700, 25732), (784, 22975), (919, 19600), (980, 18380), (1225, 14704), (1400, 12866), (1838, 9800), (1960, 9190), (2450, 7352), (2800, 6433), (3676, 4900), (3920, 4595)]