29173720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 67878720

約数和(自身を除く): 38705000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 97, 103, 146, 194, 206, 292, 365, 388, 412, 485, 515, 584, 730, 776, 824, 970, 1030, 1460, 1940, 2060, 2920, 3880, 4120, 7081, 7519, 9991, 14162, 15038, 19982, 28324, 30076, 35405, 37595, 39964, 49955, 56648, 60152, 70810, 75190, 79928, 99910, 141620, 150380, 199820, 283240, 300760, 399640, 729343, 1458686, 2917372, 3646715, 5834744, 7293430, 14586860, 29173720]

約数ペア:

[(1, 29173720), (2, 14586860), (4, 7293430), (5, 5834744), (8, 3646715), (10, 2917372), (20, 1458686), (40, 729343), (73, 399640), (97, 300760), (103, 283240), (146, 199820), (194, 150380), (206, 141620), (292, 99910), (365, 79928), (388, 75190), (412, 70810), (485, 60152), (515, 56648), (584, 49955), (730, 39964), (776, 37595), (824, 35405), (970, 30076), (1030, 28324), (1460, 19982), (1940, 15038), (2060, 14162), (2920, 9991), (3880, 7519), (4120, 7081)]