28456400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{10163}}^1$

素因数の和:10188

約数の個数: 60

約数和(自身を含む): 78140832

約数和(自身を除く): 49684432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 10163, 20326, 40652, 50815, 71141, 81304, 101630, 142282, 162608, 203260, 254075, 284564, 355705, 406520, 508150, 569128, 711410, 813040, 1016300, 1138256, 1422820, 1778525, 2032600, 2845640, 3557050, 4065200, 5691280, 7114100, 14228200, 28456400]

約数ペア:

[(1, 28456400), (2, 14228200), (4, 7114100), (5, 5691280), (7, 4065200), (8, 3557050), (10, 2845640), (14, 2032600), (16, 1778525), (20, 1422820), (25, 1138256), (28, 1016300), (35, 813040), (40, 711410), (50, 569128), (56, 508150), (70, 406520), (80, 355705), (100, 284564), (112, 254075), (140, 203260), (175, 162608), (200, 142282), (280, 101630), (350, 81304), (400, 71141), (560, 50815), (700, 40652), (1400, 20326), (2800, 10163)]