49809820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 109095840

約数和(自身を除く): 59286020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 547, 580, 628, 785, 1094, 1570, 2188, 2735, 3140, 4553, 5470, 9106, 10940, 15863, 18212, 22765, 31726, 45530, 63452, 79315, 85879, 91060, 158630, 171758, 317260, 343516, 429395, 858790, 1717580, 2490491, 4980982, 9961964, 12452455, 24904910, 49809820]

約数ペア:

[(1, 49809820), (2, 24904910), (4, 12452455), (5, 9961964), (10, 4980982), (20, 2490491), (29, 1717580), (58, 858790), (116, 429395), (145, 343516), (157, 317260), (290, 171758), (314, 158630), (547, 91060), (580, 85879), (628, 79315), (785, 63452), (1094, 45530), (1570, 31726), (2188, 22765), (2735, 18212), (3140, 15863), (4553, 10940), (5470, 9106)]