1278804590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{1283}}^1$

素因数の和:1817

約数の個数: 64

約数和(自身を含む): 2729064960

約数和(自身を除く): 1450260370

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 491, 982, 1015, 1283, 2030, 2455, 2566, 3437, 4910, 6415, 6874, 8981, 12830, 14239, 17185, 17962, 28478, 34370, 37207, 44905, 71195, 74414, 89810, 99673, 142390, 186035, 199346, 260449, 372070, 498365, 520898, 629953, 996730, 1259906, 1302245, 2604490, 3149765, 4409671, 6299530, 8819342, 18268637, 22048355, 36537274, 44096710, 91343185, 127880459, 182686370, 255760918, 639402295, 1278804590]

約数ペア:

[(1, 1278804590), (2, 639402295), (5, 255760918), (7, 182686370), (10, 127880459), (14, 91343185), (29, 44096710), (35, 36537274), (58, 22048355), (70, 18268637), (145, 8819342), (203, 6299530), (290, 4409671), (406, 3149765), (491, 2604490), (982, 1302245), (1015, 1259906), (1283, 996730), (2030, 629953), (2455, 520898), (2566, 498365), (3437, 372070), (4910, 260449), (6415, 199346), (6874, 186035), (8981, 142390), (12830, 99673), (14239, 89810), (17185, 74414), (17962, 71195), (28478, 44905), (34370, 37207)]