28743400

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{419}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 78120000

約数和(自身を除く): 49376600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 419, 490, 686, 700, 838, 980, 1225, 1372, 1400, 1676, 1715, 1960, 2095, 2450, 2744, 2933, 3352, 3430, 4190, 4900, 5866, 6860, 8380, 8575, 9800, 10475, 11732, 13720, 14665, 16760, 17150, 20531, 20950, 23464, 29330, 34300, 41062, 41900, 58660, 68600, 73325, 82124, 83800, 102655, 117320, 143717, 146650, 164248, 205310, 287434, 293300, 410620, 513275, 574868, 586600, 718585, 821240, 1026550, 1149736, 1437170, 2053100, 2874340, 3592925, 4106200, 5748680, 7185850, 14371700, 28743400]

約数ペア:

[(1, 28743400), (2, 14371700), (4, 7185850), (5, 5748680), (7, 4106200), (8, 3592925), (10, 2874340), (14, 2053100), (20, 1437170), (25, 1149736), (28, 1026550), (35, 821240), (40, 718585), (49, 586600), (50, 574868), (56, 513275), (70, 410620), (98, 293300), (100, 287434), (140, 205310), (175, 164248), (196, 146650), (200, 143717), (245, 117320), (280, 102655), (343, 83800), (350, 82124), (392, 73325), (419, 68600), (490, 58660), (686, 41900), (700, 41062), (838, 34300), (980, 29330), (1225, 23464), (1372, 20950), (1400, 20531), (1676, 17150), (1715, 16760), (1960, 14665), (2095, 13720), (2450, 11732), (2744, 10475), (2933, 9800), (3352, 8575), (3430, 8380), (4190, 6860), (4900, 5866)]