28979910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 48857850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 181, 270, 362, 543, 593, 905, 1086, 1186, 1629, 1779, 1810, 2715, 2965, 3258, 3558, 4887, 5337, 5430, 5930, 8145, 8895, 9774, 10674, 16011, 16290, 17790, 24435, 26685, 32022, 48870, 53370, 80055, 107333, 160110, 214666, 321999, 536665, 643998, 965997, 1073330, 1609995, 1931994, 2897991, 3219990, 4829985, 5795982, 9659970, 14489955, 28979910]

約数ペア:

[(1, 28979910), (2, 14489955), (3, 9659970), (5, 5795982), (6, 4829985), (9, 3219990), (10, 2897991), (15, 1931994), (18, 1609995), (27, 1073330), (30, 965997), (45, 643998), (54, 536665), (90, 321999), (135, 214666), (181, 160110), (270, 107333), (362, 80055), (543, 53370), (593, 48870), (905, 32022), (1086, 26685), (1186, 24435), (1629, 17790), (1779, 16290), (1810, 16011), (2715, 10674), (2965, 9774), (3258, 8895), (3558, 8145), (4887, 5930), (5337, 5430)]