280048048

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 648847360

約数和(自身を除く): 368799312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 79, 112, 124, 158, 217, 248, 316, 434, 496, 553, 632, 868, 1021, 1106, 1264, 1736, 2042, 2212, 2449, 3472, 4084, 4424, 4898, 7147, 8168, 8848, 9796, 14294, 16336, 17143, 19592, 28588, 31651, 34286, 39184, 57176, 63302, 68572, 80659, 114352, 126604, 137144, 161318, 221557, 253208, 274288, 322636, 443114, 506416, 564613, 645272, 886228, 1129226, 1290544, 1772456, 2258452, 2500429, 3544912, 4516904, 5000858, 9033808, 10001716, 17503003, 20003432, 35006006, 40006864, 70012012, 140024024, 280048048]

約数ペア:

[(1, 280048048), (2, 140024024), (4, 70012012), (7, 40006864), (8, 35006006), (14, 20003432), (16, 17503003), (28, 10001716), (31, 9033808), (56, 5000858), (62, 4516904), (79, 3544912), (112, 2500429), (124, 2258452), (158, 1772456), (217, 1290544), (248, 1129226), (316, 886228), (434, 645272), (496, 564613), (553, 506416), (632, 443114), (868, 322636), (1021, 274288), (1106, 253208), (1264, 221557), (1736, 161318), (2042, 137144), (2212, 126604), (2449, 114352), (3472, 80659), (4084, 68572), (4424, 63302), (4898, 57176), (7147, 39184), (8168, 34286), (8848, 31651), (9796, 28588), (14294, 19592), (16336, 17143)]