285439360

素因数分解:

$2^7\times 5^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 684424080

約数和(自身を除く): 398984720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 653, 683, 1306, 1366, 2612, 2732, 3265, 3415, 5224, 5464, 6530, 6830, 10448, 10928, 13060, 13660, 20896, 21856, 26120, 27320, 41792, 43712, 52240, 54640, 83584, 87424, 104480, 109280, 208960, 218560, 417920, 437120, 445999, 891998, 1783996, 2229995, 3567992, 4459990, 7135984, 8919980, 14271968, 17839960, 28543936, 35679920, 57087872, 71359840, 142719680, 285439360]

約数ペア:

[(1, 285439360), (2, 142719680), (4, 71359840), (5, 57087872), (8, 35679920), (10, 28543936), (16, 17839960), (20, 14271968), (32, 8919980), (40, 7135984), (64, 4459990), (80, 3567992), (128, 2229995), (160, 1783996), (320, 891998), (640, 445999), (653, 437120), (683, 417920), (1306, 218560), (1366, 208960), (2612, 109280), (2732, 104480), (3265, 87424), (3415, 83584), (5224, 54640), (5464, 52240), (6530, 43712), (6830, 41792), (10448, 27320), (10928, 26120), (13060, 21856), (13660, 20896)]