30238180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{797}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 72930816

約数和(自身を除く): 42692636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 797, 1084, 1355, 1594, 1897, 2710, 3188, 3794, 3985, 5420, 5579, 7588, 7970, 9485, 11158, 15940, 18970, 22316, 27895, 37940, 55790, 111580, 215987, 431974, 863948, 1079935, 1511909, 2159870, 3023818, 4319740, 6047636, 7559545, 15119090, 30238180]

約数ペア:

[(1, 30238180), (2, 15119090), (4, 7559545), (5, 6047636), (7, 4319740), (10, 3023818), (14, 2159870), (20, 1511909), (28, 1079935), (35, 863948), (70, 431974), (140, 215987), (271, 111580), (542, 55790), (797, 37940), (1084, 27895), (1355, 22316), (1594, 18970), (1897, 15940), (2710, 11158), (3188, 9485), (3794, 7970), (3985, 7588), (5420, 5579)]