71354290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 81055310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 293, 343, 355, 490, 497, 586, 686, 710, 994, 1465, 1715, 2051, 2485, 2930, 3430, 3479, 4102, 4970, 6958, 10255, 14357, 17395, 20510, 20803, 24353, 28714, 34790, 41606, 48706, 71785, 100499, 104015, 121765, 143570, 145621, 200998, 208030, 243530, 291242, 502495, 728105, 1004990, 1019347, 1456210, 2038694, 5096735, 7135429, 10193470, 14270858, 35677145, 71354290]

約数ペア:

[(1, 71354290), (2, 35677145), (5, 14270858), (7, 10193470), (10, 7135429), (14, 5096735), (35, 2038694), (49, 1456210), (70, 1019347), (71, 1004990), (98, 728105), (142, 502495), (245, 291242), (293, 243530), (343, 208030), (355, 200998), (490, 145621), (497, 143570), (586, 121765), (686, 104015), (710, 100499), (994, 71785), (1465, 48706), (1715, 41606), (2051, 34790), (2485, 28714), (2930, 24353), (3430, 20803), (3479, 20510), (4102, 17395), (4970, 14357), (6958, 10255)]