81569740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34273}}^1$

素因数の和:34306

約数の個数: 48

約数和(自身を含む): 207289152

約数和(自身を除く): 125719412

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34273, 68546, 137092, 171365, 239911, 342730, 479822, 582641, 685460, 959644, 1165282, 1199555, 2330564, 2399110, 2913205, 4078487, 4798220, 5826410, 8156974, 11652820, 16313948, 20392435, 40784870, 81569740]

約数ペア:

[(1, 81569740), (2, 40784870), (4, 20392435), (5, 16313948), (7, 11652820), (10, 8156974), (14, 5826410), (17, 4798220), (20, 4078487), (28, 2913205), (34, 2399110), (35, 2330564), (68, 1199555), (70, 1165282), (85, 959644), (119, 685460), (140, 582641), (170, 479822), (238, 342730), (340, 239911), (476, 171365), (595, 137092), (1190, 68546), (2380, 34273)]