78079820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42901}}^1$

素因数の和:42930

約数の個数: 48

約数和(自身を含む): 201811008

約数和(自身を除く): 123731188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42901, 85802, 171604, 214505, 300307, 429010, 557713, 600614, 858020, 1115426, 1201228, 1501535, 2230852, 2788565, 3003070, 3903991, 5577130, 6006140, 7807982, 11154260, 15615964, 19519955, 39039910, 78079820]

約数ペア:

[(1, 78079820), (2, 39039910), (4, 19519955), (5, 15615964), (7, 11154260), (10, 7807982), (13, 6006140), (14, 5577130), (20, 3903991), (26, 3003070), (28, 2788565), (35, 2230852), (52, 1501535), (65, 1201228), (70, 1115426), (91, 858020), (130, 600614), (140, 557713), (182, 429010), (260, 300307), (364, 214505), (455, 171604), (910, 85802), (1820, 42901)]