290078768

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{29101}}^1$

素因数の和:29205

約数の個数: 40

約数和(自身を含む): 649556640

約数和(自身を除く): 359477872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 29101, 58202, 116404, 203707, 232808, 407414, 465616, 814828, 1629656, 2589989, 3259312, 5179978, 10359956, 18129923, 20719912, 36259846, 41439824, 72519692, 145039384, 290078768]

約数ペア:

[(1, 290078768), (2, 145039384), (4, 72519692), (7, 41439824), (8, 36259846), (14, 20719912), (16, 18129923), (28, 10359956), (56, 5179978), (89, 3259312), (112, 2589989), (178, 1629656), (356, 814828), (623, 465616), (712, 407414), (1246, 232808), (1424, 203707), (2492, 116404), (4984, 58202), (9968, 29101)]