538119940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{2803}}^1$

素因数の和:3172

約数の個数: 48

約数和(自身を含む): 1172969280

約数和(自身を除く): 634849340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 1324, 1655, 2803, 3310, 5606, 6620, 9599, 11212, 14015, 19198, 28030, 38396, 47995, 56060, 81287, 95990, 162574, 191980, 325148, 406435, 812870, 927793, 1625740, 1855586, 3711172, 4638965, 9277930, 18555860, 26905997, 53811994, 107623988, 134529985, 269059970, 538119940]

約数ペア:

[(1, 538119940), (2, 269059970), (4, 134529985), (5, 107623988), (10, 53811994), (20, 26905997), (29, 18555860), (58, 9277930), (116, 4638965), (145, 3711172), (290, 1855586), (331, 1625740), (580, 927793), (662, 812870), (1324, 406435), (1655, 325148), (2803, 191980), (3310, 162574), (5606, 95990), (6620, 81287), (9599, 56060), (11212, 47995), (14015, 38396), (19198, 28030)]