28457070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 72493056

約数和(自身を除く): 44035986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 827, 930, 1110, 1147, 1654, 2294, 2481, 3441, 4135, 4962, 5735, 6882, 8270, 11470, 12405, 17205, 24810, 25637, 30599, 34410, 51274, 61198, 76911, 91797, 128185, 152995, 153822, 183594, 256370, 305990, 384555, 458985, 769110, 917970, 948569, 1897138, 2845707, 4742845, 5691414, 9485690, 14228535, 28457070]

約数ペア:

[(1, 28457070), (2, 14228535), (3, 9485690), (5, 5691414), (6, 4742845), (10, 2845707), (15, 1897138), (30, 948569), (31, 917970), (37, 769110), (62, 458985), (74, 384555), (93, 305990), (111, 256370), (155, 183594), (185, 153822), (186, 152995), (222, 128185), (310, 91797), (370, 76911), (465, 61198), (555, 51274), (827, 34410), (930, 30599), (1110, 25637), (1147, 24810), (1654, 17205), (2294, 12405), (2481, 11470), (3441, 8270), (4135, 6882), (4962, 5735)]