27888140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6869}}^1$

素因数の和:6914

約数の個数: 48

約数和(自身を含む): 69249600

約数和(自身を除く): 41361460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6869, 13738, 27476, 34345, 48083, 68690, 96166, 137380, 192332, 199201, 240415, 398402, 480830, 796804, 961660, 996005, 1394407, 1992010, 2788814, 3984020, 5577628, 6972035, 13944070, 27888140]

約数ペア:

[(1, 27888140), (2, 13944070), (4, 6972035), (5, 5577628), (7, 3984020), (10, 2788814), (14, 1992010), (20, 1394407), (28, 996005), (29, 961660), (35, 796804), (58, 480830), (70, 398402), (116, 240415), (140, 199201), (145, 192332), (203, 137380), (290, 96166), (406, 68690), (580, 48083), (812, 34345), (1015, 27476), (2030, 13738), (4060, 6869)]