1967840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 5429592

約数和(自身を除く): 3461752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 251, 280, 392, 490, 502, 560, 784, 980, 1004, 1120, 1255, 1568, 1757, 1960, 2008, 2510, 3514, 3920, 4016, 5020, 7028, 7840, 8032, 8785, 10040, 12299, 14056, 17570, 20080, 24598, 28112, 35140, 40160, 49196, 56224, 61495, 70280, 98392, 122990, 140560, 196784, 245980, 281120, 393568, 491960, 983920, 1967840]

約数ペア:

[(1, 1967840), (2, 983920), (4, 491960), (5, 393568), (7, 281120), (8, 245980), (10, 196784), (14, 140560), (16, 122990), (20, 98392), (28, 70280), (32, 61495), (35, 56224), (40, 49196), (49, 40160), (56, 35140), (70, 28112), (80, 24598), (98, 20080), (112, 17570), (140, 14056), (160, 12299), (196, 10040), (224, 8785), (245, 8032), (251, 7840), (280, 7028), (392, 5020), (490, 4016), (502, 3920), (560, 3514), (784, 2510), (980, 2008), (1004, 1960), (1120, 1757), (1255, 1568)]