27819820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11689}}^1$

素因数の和:11722

約数の個数: 48

約数和(自身を含む): 70701120

約数和(自身を除く): 42881300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11689, 23378, 46756, 58445, 81823, 116890, 163646, 198713, 233780, 327292, 397426, 409115, 794852, 818230, 993565, 1390991, 1636460, 1987130, 2781982, 3974260, 5563964, 6954955, 13909910, 27819820]

約数ペア:

[(1, 27819820), (2, 13909910), (4, 6954955), (5, 5563964), (7, 3974260), (10, 2781982), (14, 1987130), (17, 1636460), (20, 1390991), (28, 993565), (34, 818230), (35, 794852), (68, 409115), (70, 397426), (85, 327292), (119, 233780), (140, 198713), (170, 163646), (238, 116890), (340, 81823), (476, 58445), (595, 46756), (1190, 23378), (2380, 11689)]