82740140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15973}}^1$

素因数の和:16026

約数の個数: 48

約数和(自身を含む): 203956032

約数和(自身を除く): 121215892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 15973, 31946, 63892, 79865, 111811, 159730, 223622, 319460, 447244, 559055, 591001, 1118110, 1182002, 2236220, 2364004, 2955005, 4137007, 5910010, 8274014, 11820020, 16548028, 20685035, 41370070, 82740140]

約数ペア:

[(1, 82740140), (2, 41370070), (4, 20685035), (5, 16548028), (7, 11820020), (10, 8274014), (14, 5910010), (20, 4137007), (28, 2955005), (35, 2364004), (37, 2236220), (70, 1182002), (74, 1118110), (140, 591001), (148, 559055), (185, 447244), (259, 319460), (370, 223622), (518, 159730), (740, 111811), (1036, 79865), (1295, 63892), (2590, 31946), (5180, 15973)]