144400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^2$

素因数の和:56

約数の個数: 45

約数和(自身を含む): 366141

約数和(自身を除く): 221741

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 361, 380, 400, 475, 722, 760, 950, 1444, 1520, 1805, 1900, 2888, 3610, 3800, 5776, 7220, 7600, 9025, 14440, 18050, 28880, 36100, 72200, 144400]

約数ペア:

[(1, 144400), (2, 72200), (4, 36100), (5, 28880), (8, 18050), (10, 14440), (16, 9025), (19, 7600), (20, 7220), (25, 5776), (38, 3800), (40, 3610), (50, 2888), (76, 1900), (80, 1805), (95, 1520), (100, 1444), (152, 950), (190, 760), (200, 722), (304, 475), (361, 400)]