903440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 2196288

約数和(自身を除く): 1292848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 491, 920, 982, 1840, 1964, 2455, 3928, 4910, 7856, 9820, 11293, 19640, 22586, 39280, 45172, 56465, 90344, 112930, 180688, 225860, 451720, 903440]

約数ペア:

[(1, 903440), (2, 451720), (4, 225860), (5, 180688), (8, 112930), (10, 90344), (16, 56465), (20, 45172), (23, 39280), (40, 22586), (46, 19640), (80, 11293), (92, 9820), (115, 7856), (184, 4910), (230, 3928), (368, 2455), (460, 1964), (491, 1840), (920, 982)]