28865790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 75348000

約数和(自身を除く): 46482210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 698, 919, 1047, 1745, 1838, 2094, 2757, 3141, 3490, 4595, 5235, 5514, 6282, 8271, 9190, 10470, 13785, 15705, 16542, 27570, 31410, 41355, 82710, 320731, 641462, 962193, 1603655, 1924386, 2886579, 3207310, 4810965, 5773158, 9621930, 14432895, 28865790]

約数ペア:

[(1, 28865790), (2, 14432895), (3, 9621930), (5, 5773158), (6, 4810965), (9, 3207310), (10, 2886579), (15, 1924386), (18, 1603655), (30, 962193), (45, 641462), (90, 320731), (349, 82710), (698, 41355), (919, 31410), (1047, 27570), (1745, 16542), (1838, 15705), (2094, 13785), (2757, 10470), (3141, 9190), (3490, 8271), (4595, 6282), (5235, 5514)]