90023725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 130420224

約数和(自身を除く): 40396499

約数列:

[1, 5, 11, 23, 25, 43, 55, 115, 215, 253, 275, 331, 473, 575, 989, 1075, 1265, 1655, 2365, 3641, 4945, 6325, 7613, 8275, 10879, 11825, 14233, 18205, 24725, 38065, 54395, 71165, 83743, 91025, 156563, 190325, 271975, 327359, 355825, 418715, 782815, 1636795, 2093575, 3600949, 3914075, 8183975, 18004745, 90023725]

約数ペア:

[(1, 90023725), (5, 18004745), (11, 8183975), (23, 3914075), (25, 3600949), (43, 2093575), (55, 1636795), (115, 782815), (215, 418715), (253, 355825), (275, 327359), (331, 271975), (473, 190325), (575, 156563), (989, 91025), (1075, 83743), (1265, 71165), (1655, 54395), (2365, 38065), (3641, 24725), (4945, 18205), (6325, 14233), (7613, 11825), (8275, 10879)]