28008400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1429}}^1$

素因数の和:1461

約数の個数: 90

約数和(自身を含む): 78331110

約数和(自身を除く): 50322710

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, 980, 1225, 1400, 1429, 1960, 2450, 2800, 2858, 3920, 4900, 5716, 7145, 9800, 10003, 11432, 14290, 19600, 20006, 22864, 28580, 35725, 40012, 50015, 57160, 70021, 71450, 80024, 100030, 114320, 140042, 142900, 160048, 200060, 250075, 280084, 285800, 350105, 400120, 500150, 560168, 571600, 700210, 800240, 1000300, 1120336, 1400420, 1750525, 2000600, 2800840, 3501050, 4001200, 5601680, 7002100, 14004200, 28008400]

約数ペア:

[(1, 28008400), (2, 14004200), (4, 7002100), (5, 5601680), (7, 4001200), (8, 3501050), (10, 2800840), (14, 2000600), (16, 1750525), (20, 1400420), (25, 1120336), (28, 1000300), (35, 800240), (40, 700210), (49, 571600), (50, 560168), (56, 500150), (70, 400120), (80, 350105), (98, 285800), (100, 280084), (112, 250075), (140, 200060), (175, 160048), (196, 142900), (200, 140042), (245, 114320), (280, 100030), (350, 80024), (392, 71450), (400, 70021), (490, 57160), (560, 50015), (700, 40012), (784, 35725), (980, 28580), (1225, 22864), (1400, 20006), (1429, 19600), (1960, 14290), (2450, 11432), (2800, 10003), (2858, 9800), (3920, 7145), (4900, 5716)]