78839110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 170449920

約数和(自身を除く): 91610810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 203, 290, 355, 406, 497, 547, 710, 994, 1015, 1094, 2030, 2059, 2485, 2735, 3829, 4118, 4970, 5470, 7658, 10295, 14413, 15863, 19145, 20590, 28826, 31726, 38290, 38837, 72065, 77674, 79315, 111041, 144130, 158630, 194185, 222082, 271859, 388370, 543718, 555205, 1110410, 1126273, 1359295, 2252546, 2718590, 5631365, 7883911, 11262730, 15767822, 39419555, 78839110]

約数ペア:

[(1, 78839110), (2, 39419555), (5, 15767822), (7, 11262730), (10, 7883911), (14, 5631365), (29, 2718590), (35, 2252546), (58, 1359295), (70, 1126273), (71, 1110410), (142, 555205), (145, 543718), (203, 388370), (290, 271859), (355, 222082), (406, 194185), (497, 158630), (547, 144130), (710, 111041), (994, 79315), (1015, 77674), (1094, 72065), (2030, 38837), (2059, 38290), (2485, 31726), (2735, 28826), (3829, 20590), (4118, 19145), (4970, 15863), (5470, 14413), (7658, 10295)]