68251820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37501}}^1$

素因数の和:37530

約数の個数: 48

約数和(自身を含む): 176409408

約数和(自身を除く): 108157588

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, 37501, 75002, 150004, 187505, 262507, 375010, 487513, 525014, 750020, 975026, 1050028, 1312535, 1950052, 2437565, 2625070, 3412591, 4875130, 5250140, 6825182, 9750260, 13650364, 17062955, 34125910, 68251820]

約数ペア:

[(1, 68251820), (2, 34125910), (4, 17062955), (5, 13650364), (7, 9750260), (10, 6825182), (13, 5250140), (14, 4875130), (20, 3412591), (26, 2625070), (28, 2437565), (35, 1950052), (52, 1312535), (65, 1050028), (70, 975026), (91, 750020), (130, 525014), (140, 487513), (182, 375010), (260, 262507), (364, 187505), (455, 150004), (910, 75002), (1820, 37501)]