890231475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{8521}}^1$

素因数の和:8740

約数の個数: 48

約数和(自身を含む): 1690764800

約数和(自身を除く): 800533325

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 199, 525, 597, 995, 1393, 2985, 4179, 4975, 6965, 8521, 14925, 20895, 25563, 34825, 42605, 59647, 104475, 127815, 178941, 213025, 298235, 639075, 894705, 1491175, 1695679, 4473525, 5087037, 8478395, 11869753, 25435185, 35609259, 42391975, 59348765, 127175925, 178046295, 296743825, 890231475]

約数ペア:

[(1, 890231475), (3, 296743825), (5, 178046295), (7, 127175925), (15, 59348765), (21, 42391975), (25, 35609259), (35, 25435185), (75, 11869753), (105, 8478395), (175, 5087037), (199, 4473525), (525, 1695679), (597, 1491175), (995, 894705), (1393, 639075), (2985, 298235), (4179, 213025), (4975, 178941), (6965, 127815), (8521, 104475), (14925, 59647), (20895, 42605), (25563, 34825)]