404320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2$

素因数の和:60

約数の個数: 72

約数和(自身を含む): 1152144

約数和(自身を除く): 747824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 361, 380, 532, 560, 608, 665, 722, 760, 1064, 1120, 1330, 1444, 1520, 1805, 2128, 2527, 2660, 2888, 3040, 3610, 4256, 5054, 5320, 5776, 7220, 10108, 10640, 11552, 12635, 14440, 20216, 21280, 25270, 28880, 40432, 50540, 57760, 80864, 101080, 202160, 404320]

約数ペア:

[(1, 404320), (2, 202160), (4, 101080), (5, 80864), (7, 57760), (8, 50540), (10, 40432), (14, 28880), (16, 25270), (19, 21280), (20, 20216), (28, 14440), (32, 12635), (35, 11552), (38, 10640), (40, 10108), (56, 7220), (70, 5776), (76, 5320), (80, 5054), (95, 4256), (112, 3610), (133, 3040), (140, 2888), (152, 2660), (160, 2527), (190, 2128), (224, 1805), (266, 1520), (280, 1444), (304, 1330), (361, 1120), (380, 1064), (532, 760), (560, 722), (608, 665)]