30450140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 73446912

約数和(自身を除く): 42996772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 827, 1052, 1315, 1654, 1841, 2630, 3308, 3682, 4135, 5260, 5789, 7364, 8270, 9205, 11578, 16540, 18410, 23156, 28945, 36820, 57890, 115780, 217501, 435002, 870004, 1087505, 1522507, 2175010, 3045014, 4350020, 6090028, 7612535, 15225070, 30450140]

約数ペア:

[(1, 30450140), (2, 15225070), (4, 7612535), (5, 6090028), (7, 4350020), (10, 3045014), (14, 2175010), (20, 1522507), (28, 1087505), (35, 870004), (70, 435002), (140, 217501), (263, 115780), (526, 57890), (827, 36820), (1052, 28945), (1315, 23156), (1654, 18410), (1841, 16540), (2630, 11578), (3308, 9205), (3682, 8270), (4135, 7364), (5260, 5789)]