28179930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 70622208

約数和(自身を除く): 42442278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 157, 186, 193, 310, 314, 386, 465, 471, 579, 785, 930, 942, 965, 1158, 1570, 1930, 2355, 2895, 4710, 4867, 5790, 5983, 9734, 11966, 14601, 17949, 24335, 29202, 29915, 30301, 35898, 48670, 59830, 60602, 73005, 89745, 90903, 146010, 151505, 179490, 181806, 303010, 454515, 909030, 939331, 1878662, 2817993, 4696655, 5635986, 9393310, 14089965, 28179930]

約数ペア:

[(1, 28179930), (2, 14089965), (3, 9393310), (5, 5635986), (6, 4696655), (10, 2817993), (15, 1878662), (30, 939331), (31, 909030), (62, 454515), (93, 303010), (155, 181806), (157, 179490), (186, 151505), (193, 146010), (310, 90903), (314, 89745), (386, 73005), (465, 60602), (471, 59830), (579, 48670), (785, 35898), (930, 30301), (942, 29915), (965, 29202), (1158, 24335), (1570, 17949), (1930, 14601), (2355, 11966), (2895, 9734), (4710, 5983), (4867, 5790)]