23782220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15443}}^1$

素因数の和:15470

約数の個数: 48

約数和(自身を含む): 62270208

約数和(自身を除く): 38487988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 15443, 30886, 61772, 77215, 108101, 154430, 169873, 216202, 308860, 339746, 432404, 540505, 679492, 849365, 1081010, 1189111, 1698730, 2162020, 2378222, 3397460, 4756444, 5945555, 11891110, 23782220]

約数ペア:

[(1, 23782220), (2, 11891110), (4, 5945555), (5, 4756444), (7, 3397460), (10, 2378222), (11, 2162020), (14, 1698730), (20, 1189111), (22, 1081010), (28, 849365), (35, 679492), (44, 540505), (55, 432404), (70, 339746), (77, 308860), (110, 216202), (140, 169873), (154, 154430), (220, 108101), (308, 77215), (385, 61772), (770, 30886), (1540, 15443)]