442540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 1108800

約数和(自身を除く): 666260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 109, 116, 140, 145, 203, 218, 290, 406, 436, 545, 580, 763, 812, 1015, 1090, 1526, 2030, 2180, 3052, 3161, 3815, 4060, 6322, 7630, 12644, 15260, 15805, 22127, 31610, 44254, 63220, 88508, 110635, 221270, 442540]

約数ペア:

[(1, 442540), (2, 221270), (4, 110635), (5, 88508), (7, 63220), (10, 44254), (14, 31610), (20, 22127), (28, 15805), (29, 15260), (35, 12644), (58, 7630), (70, 6322), (109, 4060), (116, 3815), (140, 3161), (145, 3052), (203, 2180), (218, 2030), (290, 1526), (406, 1090), (436, 1015), (545, 812), (580, 763)]