2011961420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{495557}}^1$

素因数の和:495602

約数の個数: 48

約数和(自身を含む): 4995224640

約数和(自身を除く): 2983263220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 495557, 991114, 1982228, 2477785, 3468899, 4955570, 6937798, 9911140, 13875596, 14371153, 17344495, 28742306, 34688990, 57484612, 69377980, 71855765, 100598071, 143711530, 201196142, 287423060, 402392284, 502990355, 1005980710, 2011961420]

約数ペア:

[(1, 2011961420), (2, 1005980710), (4, 502990355), (5, 402392284), (7, 287423060), (10, 201196142), (14, 143711530), (20, 100598071), (28, 71855765), (29, 69377980), (35, 57484612), (58, 34688990), (70, 28742306), (116, 17344495), (140, 14371153), (145, 13875596), (203, 9911140), (290, 6937798), (406, 4955570), (580, 3468899), (812, 2477785), (1015, 1982228), (2030, 991114), (4060, 495557)]