8212400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{419}}^1$

素因数の和:451

約数の個数: 90

約数和(自身を含む): 23006340

約数和(自身を除く): 14793940

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, 419, 490, 560, 700, 784, 838, 980, 1225, 1400, 1676, 1960, 2095, 2450, 2800, 2933, 3352, 3920, 4190, 4900, 5866, 6704, 8380, 9800, 10475, 11732, 14665, 16760, 19600, 20531, 20950, 23464, 29330, 33520, 41062, 41900, 46928, 58660, 73325, 82124, 83800, 102655, 117320, 146650, 164248, 167600, 205310, 234640, 293300, 328496, 410620, 513275, 586600, 821240, 1026550, 1173200, 1642480, 2053100, 4106200, 8212400]

約数ペア:

[(1, 8212400), (2, 4106200), (4, 2053100), (5, 1642480), (7, 1173200), (8, 1026550), (10, 821240), (14, 586600), (16, 513275), (20, 410620), (25, 328496), (28, 293300), (35, 234640), (40, 205310), (49, 167600), (50, 164248), (56, 146650), (70, 117320), (80, 102655), (98, 83800), (100, 82124), (112, 73325), (140, 58660), (175, 46928), (196, 41900), (200, 41062), (245, 33520), (280, 29330), (350, 23464), (392, 20950), (400, 20531), (419, 19600), (490, 16760), (560, 14665), (700, 11732), (784, 10475), (838, 9800), (980, 8380), (1225, 6704), (1400, 5866), (1676, 4900), (1960, 4190), (2095, 3920), (2450, 3352), (2800, 2933)]