51498020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7507}}^1$

素因数の和:7537

約数の個数: 48

約数和(自身を含む): 126134400

約数和(自身を除く): 74636380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7507, 15014, 30028, 37535, 52549, 75070, 105098, 150140, 210196, 262745, 367843, 525490, 735686, 1050980, 1471372, 1839215, 2574901, 3678430, 5149802, 7356860, 10299604, 12874505, 25749010, 51498020]

約数ペア:

[(1, 51498020), (2, 25749010), (4, 12874505), (5, 10299604), (7, 7356860), (10, 5149802), (14, 3678430), (20, 2574901), (28, 1839215), (35, 1471372), (49, 1050980), (70, 735686), (98, 525490), (140, 367843), (196, 262745), (245, 210196), (343, 150140), (490, 105098), (686, 75070), (980, 52549), (1372, 37535), (1715, 30028), (3430, 15014), (6860, 7507)]