201967990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4021

約数の個数: 64

約数和(自身を含む): 450261504

約数和(自身を除く): 248293514

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 170, 215, 238, 301, 430, 595, 602, 731, 1190, 1462, 1505, 3010, 3655, 3947, 5117, 7310, 7894, 10234, 19735, 25585, 27629, 39470, 51170, 55258, 67099, 134198, 138145, 169721, 276290, 335495, 339442, 469693, 670990, 848605, 939386, 1188047, 1697210, 2348465, 2376094, 2885257, 4696930, 5770514, 5940235, 11880470, 14426285, 20196799, 28852570, 40393598, 100983995, 201967990]

約数ペア:

[(1, 201967990), (2, 100983995), (5, 40393598), (7, 28852570), (10, 20196799), (14, 14426285), (17, 11880470), (34, 5940235), (35, 5770514), (43, 4696930), (70, 2885257), (85, 2376094), (86, 2348465), (119, 1697210), (170, 1188047), (215, 939386), (238, 848605), (301, 670990), (430, 469693), (595, 339442), (602, 335495), (731, 276290), (1190, 169721), (1462, 138145), (1505, 134198), (3010, 67099), (3655, 55258), (3947, 51170), (5117, 39470), (7310, 27629), (7894, 25585), (10234, 19735)]