17430280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8893}}^1$

素因数の和:8918

約数の個数: 48

約数和(自身を含む): 45626220

約数和(自身を除く): 28195940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8893, 17786, 35572, 44465, 62251, 71144, 88930, 124502, 177860, 249004, 311255, 355720, 435757, 498008, 622510, 871514, 1245020, 1743028, 2178785, 2490040, 3486056, 4357570, 8715140, 17430280]

約数ペア:

[(1, 17430280), (2, 8715140), (4, 4357570), (5, 3486056), (7, 2490040), (8, 2178785), (10, 1743028), (14, 1245020), (20, 871514), (28, 622510), (35, 498008), (40, 435757), (49, 355720), (56, 311255), (70, 249004), (98, 177860), (140, 124502), (196, 88930), (245, 71144), (280, 62251), (392, 44465), (490, 35572), (980, 17786), (1960, 8893)]