478295680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43961}}^1$

素因数の和:43997

約数の個数: 64

約数和(自身を含む): 1210713480

約数和(自身を除く): 732417800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 43961, 87922, 175844, 219805, 351688, 439610, 703376, 747337, 879220, 1406752, 1494674, 1758440, 2813504, 2989348, 3516880, 3736685, 5627008, 5978696, 7033760, 7473370, 11957392, 14067520, 14946740, 23914784, 28135040, 29893480, 47829568, 59786960, 95659136, 119573920, 239147840, 478295680]

約数ペア:

[(1, 478295680), (2, 239147840), (4, 119573920), (5, 95659136), (8, 59786960), (10, 47829568), (16, 29893480), (17, 28135040), (20, 23914784), (32, 14946740), (34, 14067520), (40, 11957392), (64, 7473370), (68, 7033760), (80, 5978696), (85, 5627008), (128, 3736685), (136, 3516880), (160, 2989348), (170, 2813504), (272, 1758440), (320, 1494674), (340, 1406752), (544, 879220), (640, 747337), (680, 703376), (1088, 439610), (1360, 351688), (2176, 219805), (2720, 175844), (5440, 87922), (10880, 43961)]