285004240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 681742080

約数和(自身を除く): 396737840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 229, 235, 331, 376, 458, 470, 662, 752, 916, 940, 1145, 1324, 1655, 1832, 1880, 2290, 2648, 3310, 3664, 3760, 4580, 5296, 6620, 9160, 10763, 13240, 15557, 18320, 21526, 26480, 31114, 43052, 53815, 62228, 75799, 77785, 86104, 107630, 124456, 151598, 155570, 172208, 215260, 248912, 303196, 311140, 378995, 430520, 606392, 622280, 757990, 861040, 1212784, 1244560, 1515980, 3031960, 3562553, 6063920, 7125106, 14250212, 17812765, 28500424, 35625530, 57000848, 71251060, 142502120, 285004240]

約数ペア:

[(1, 285004240), (2, 142502120), (4, 71251060), (5, 57000848), (8, 35625530), (10, 28500424), (16, 17812765), (20, 14250212), (40, 7125106), (47, 6063920), (80, 3562553), (94, 3031960), (188, 1515980), (229, 1244560), (235, 1212784), (331, 861040), (376, 757990), (458, 622280), (470, 606392), (662, 430520), (752, 378995), (916, 311140), (940, 303196), (1145, 248912), (1324, 215260), (1655, 172208), (1832, 155570), (1880, 151598), (2290, 124456), (2648, 107630), (3310, 86104), (3664, 77785), (3760, 75799), (4580, 62228), (5296, 53815), (6620, 43052), (9160, 31114), (10763, 26480), (13240, 21526), (15557, 18320)]