70804540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 154385280

約数和(自身を除く): 83580740

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1093, 1580, 2186, 3239, 4372, 5465, 6478, 10930, 12956, 16195, 21860, 32390, 44813, 64780, 86347, 89626, 172694, 179252, 224065, 345388, 431735, 448130, 863470, 896260, 1726940, 3540227, 7080454, 14160908, 17701135, 35402270, 70804540]

約数ペア:

[(1, 70804540), (2, 35402270), (4, 17701135), (5, 14160908), (10, 7080454), (20, 3540227), (41, 1726940), (79, 896260), (82, 863470), (158, 448130), (164, 431735), (205, 345388), (316, 224065), (395, 179252), (410, 172694), (790, 89626), (820, 86347), (1093, 64780), (1580, 44813), (2186, 32390), (3239, 21860), (4372, 16195), (5465, 12956), (6478, 10930)]