238440880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1523}}^1$

素因数の和:1658

約数の個数: 80

約数和(自身を含む): 589605120

約数和(自身を除く): 351164240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 760, 824, 1030, 1520, 1523, 1648, 1957, 2060, 3046, 3914, 4120, 6092, 7615, 7828, 8240, 9785, 12184, 15230, 15656, 19570, 24368, 28937, 30460, 31312, 39140, 57874, 60920, 78280, 115748, 121840, 144685, 156560, 156869, 231496, 289370, 313738, 462992, 578740, 627476, 784345, 1157480, 1254952, 1568690, 2314960, 2509904, 2980511, 3137380, 5961022, 6274760, 11922044, 12549520, 14902555, 23844088, 29805110, 47688176, 59610220, 119220440, 238440880]

約数ペア:

[(1, 238440880), (2, 119220440), (4, 59610220), (5, 47688176), (8, 29805110), (10, 23844088), (16, 14902555), (19, 12549520), (20, 11922044), (38, 6274760), (40, 5961022), (76, 3137380), (80, 2980511), (95, 2509904), (103, 2314960), (152, 1568690), (190, 1254952), (206, 1157480), (304, 784345), (380, 627476), (412, 578740), (515, 462992), (760, 313738), (824, 289370), (1030, 231496), (1520, 156869), (1523, 156560), (1648, 144685), (1957, 121840), (2060, 115748), (3046, 78280), (3914, 60920), (4120, 57874), (6092, 39140), (7615, 31312), (7828, 30460), (8240, 28937), (9785, 24368), (12184, 19570), (15230, 15656)]