617289680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1979}}^1$

素因数の和:2556

約数の個数: 80

約数和(自身を含む): 1644001920

約数和(自身を除く): 1026712240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 557, 560, 1114, 1979, 2228, 2785, 3899, 3958, 4456, 5570, 7798, 7916, 8912, 9895, 11140, 13853, 15596, 15832, 19495, 19790, 22280, 27706, 31192, 31664, 38990, 39580, 44560, 55412, 62384, 69265, 77980, 79160, 110824, 138530, 155960, 158320, 221648, 277060, 311920, 554120, 1102303, 1108240, 2204606, 4409212, 5511515, 7716121, 8818424, 11023030, 15432242, 17636848, 22046060, 30864484, 38580605, 44092120, 61728968, 77161210, 88184240, 123457936, 154322420, 308644840, 617289680]

約数ペア:

[(1, 617289680), (2, 308644840), (4, 154322420), (5, 123457936), (7, 88184240), (8, 77161210), (10, 61728968), (14, 44092120), (16, 38580605), (20, 30864484), (28, 22046060), (35, 17636848), (40, 15432242), (56, 11023030), (70, 8818424), (80, 7716121), (112, 5511515), (140, 4409212), (280, 2204606), (557, 1108240), (560, 1102303), (1114, 554120), (1979, 311920), (2228, 277060), (2785, 221648), (3899, 158320), (3958, 155960), (4456, 138530), (5570, 110824), (7798, 79160), (7916, 77980), (8912, 69265), (9895, 62384), (11140, 55412), (13853, 44560), (15596, 39580), (15832, 38990), (19495, 31664), (19790, 31192), (22280, 27706)]