72781300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{25097}}^1$

素因数の和:25140

約数の個数: 36

約数和(自身を含む): 163387980

約数和(自身を除く): 90606680

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 25097, 50194, 100388, 125485, 250970, 501940, 627425, 727813, 1254850, 1455626, 2509700, 2911252, 3639065, 7278130, 14556260, 18195325, 36390650, 72781300]

約数ペア:

[(1, 72781300), (2, 36390650), (4, 18195325), (5, 14556260), (10, 7278130), (20, 3639065), (25, 2911252), (29, 2509700), (50, 1455626), (58, 1254850), (100, 727813), (116, 627425), (145, 501940), (290, 250970), (580, 125485), (725, 100388), (1450, 50194), (2900, 25097)]