71688400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{25603}}^1$

素因数の和:25628

約数の個数: 60

約数和(自身を含む): 196843552

約数和(自身を除く): 125155152

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, 25603, 51206, 102412, 128015, 179221, 204824, 256030, 358442, 409648, 512060, 640075, 716884, 896105, 1024120, 1280150, 1433768, 1792210, 2048240, 2560300, 2867536, 3584420, 4480525, 5120600, 7168840, 8961050, 10241200, 14337680, 17922100, 35844200, 71688400]

約数ペア:

[(1, 71688400), (2, 35844200), (4, 17922100), (5, 14337680), (7, 10241200), (8, 8961050), (10, 7168840), (14, 5120600), (16, 4480525), (20, 3584420), (25, 2867536), (28, 2560300), (35, 2048240), (40, 1792210), (50, 1433768), (56, 1280150), (70, 1024120), (80, 896105), (100, 716884), (112, 640075), (140, 512060), (175, 409648), (200, 358442), (280, 256030), (350, 204824), (400, 179221), (560, 128015), (700, 102412), (1400, 51206), (2800, 25603)]