720138020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{302579}}^1$

素因数の和:302612

約数の個数: 48

約数和(自身を含む): 1830003840

約数和(自身を除く): 1109865820

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, 302579, 605158, 1210316, 1512895, 2118053, 3025790, 4236106, 5143843, 6051580, 8472212, 10287686, 10590265, 20575372, 21180530, 25719215, 36006901, 42361060, 51438430, 72013802, 102876860, 144027604, 180034505, 360069010, 720138020]

約数ペア:

[(1, 720138020), (2, 360069010), (4, 180034505), (5, 144027604), (7, 102876860), (10, 72013802), (14, 51438430), (17, 42361060), (20, 36006901), (28, 25719215), (34, 21180530), (35, 20575372), (68, 10590265), (70, 10287686), (85, 8472212), (119, 6051580), (140, 5143843), (170, 4236106), (238, 3025790), (340, 2118053), (476, 1512895), (595, 1210316), (1190, 605158), (2380, 302579)]