4947040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{631}}^1$

素因数の和:660

約数の個数: 72

約数和(自身を含む): 13617072

約数和(自身を除く): 8670032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 631, 784, 980, 1120, 1262, 1568, 1960, 2524, 3155, 3920, 4417, 5048, 6310, 7840, 8834, 10096, 12620, 17668, 20192, 22085, 25240, 30919, 35336, 44170, 50480, 61838, 70672, 88340, 100960, 123676, 141344, 154595, 176680, 247352, 309190, 353360, 494704, 618380, 706720, 989408, 1236760, 2473520, 4947040]

約数ペア:

[(1, 4947040), (2, 2473520), (4, 1236760), (5, 989408), (7, 706720), (8, 618380), (10, 494704), (14, 353360), (16, 309190), (20, 247352), (28, 176680), (32, 154595), (35, 141344), (40, 123676), (49, 100960), (56, 88340), (70, 70672), (80, 61838), (98, 50480), (112, 44170), (140, 35336), (160, 30919), (196, 25240), (224, 22085), (245, 20192), (280, 17668), (392, 12620), (490, 10096), (560, 8834), (631, 7840), (784, 6310), (980, 5048), (1120, 4417), (1262, 3920), (1568, 3155), (1960, 2524)]