28931460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3469}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 81614400

約数和(自身を除く): 52682940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3469, 4170, 6938, 8340, 10407, 13876, 17345, 20814, 34690, 41628, 52035, 69380, 104070, 208140, 482191, 964382, 1446573, 1928764, 2410955, 2893146, 4821910, 5786292, 7232865, 9643820, 14465730, 28931460]

約数ペア:

[(1, 28931460), (2, 14465730), (3, 9643820), (4, 7232865), (5, 5786292), (6, 4821910), (10, 2893146), (12, 2410955), (15, 1928764), (20, 1446573), (30, 964382), (60, 482191), (139, 208140), (278, 104070), (417, 69380), (556, 52035), (695, 41628), (834, 34690), (1390, 20814), (1668, 17345), (2085, 13876), (2780, 10407), (3469, 8340), (4170, 6938)]