899720900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{30091}}^1$

素因数の和:30141

約数の個数: 72

約数和(自身を含む): 2194067904

約数和(自身を除く): 1294347004

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 575, 598, 650, 1150, 1196, 1300, 1495, 2300, 2990, 5980, 7475, 14950, 29900, 30091, 60182, 120364, 150455, 300910, 391183, 601820, 692093, 752275, 782366, 1384186, 1504550, 1564732, 1955915, 2768372, 3009100, 3460465, 3911830, 6920930, 7823660, 8997209, 9779575, 13841860, 17302325, 17994418, 19559150, 34604650, 35988836, 39118300, 44986045, 69209300, 89972090, 179944180, 224930225, 449860450, 899720900]

約数ペア:

[(1, 899720900), (2, 449860450), (4, 224930225), (5, 179944180), (10, 89972090), (13, 69209300), (20, 44986045), (23, 39118300), (25, 35988836), (26, 34604650), (46, 19559150), (50, 17994418), (52, 17302325), (65, 13841860), (92, 9779575), (100, 8997209), (115, 7823660), (130, 6920930), (230, 3911830), (260, 3460465), (299, 3009100), (325, 2768372), (460, 1955915), (575, 1564732), (598, 1504550), (650, 1384186), (1150, 782366), (1196, 752275), (1300, 692093), (1495, 601820), (2300, 391183), (2990, 300910), (5980, 150455), (7475, 120364), (14950, 60182), (29900, 30091)]